Arctic Sea Ice Melting Faster Than Predicted
April 30 — New satellite observations have shown that Arctic sea ice may be declining at a faster rate than models have predicted. (LiveScience.com)

Geologists Study Beneath Mount Baker
April 30 — More than three decades after steam bursts from Mount Baker resulted in a temporary evacuation of the Baker Lake area, geologists are trying to determine what is happening beneath the volcano. (Associated Press)

California Snowpack Supply Lowest in 20 Years
April 30 — California water officials said they expect the water level in the Sierra Nevada mountains snowpack this year will be the lowest in almost 20 years, crimping supplies for hydropower and other water uses and raising concern about 2008. (Reuters)

Work Remains on Flood Damage to Rainier
April 29 — Work crews have spent thousands of hours repairing fractured roads and trails since last fall when 18 inches of rain fell in just 36 hours, causing $36 million in damage, and closing this popular park for the first time in a quarter-century. (Associated Press)

Earthquake Hits Solomon Islands
April 29 — A moderate earthquake toppled several houses in the Solomon Islands near where a quake and tsunami killed 52 people earlier this month, an official said. (Associated Press)

Australian Cities Facing 'Big Dry' Water Shortages
April 29 — Drought-stricken Australia faces the world's most extreme climate change challenge as millions of city dwellers try to cope with water shortages, according to the country's most recognized scientist. (Agence France-Presse)

Climate Report to Warn That Time Running Out in Greenhouse Gas Battle
April 28 — Time is running out to cut the greenhouse-gas emissions that drive climate change, but much can be done at a modest cost to attack the looming crisis, according to experts gathering for new talks. (Agence France-Presse)

Moderate Earthquake Strikes England
April 28 — A magnitude 4.3 earthquake rattled parts of southeast England, toppling chimneys from houses and rousing residents from their beds. (Associated Press)

April Weather Set to Break Record
April 27 — The UK Meteorological Office has released figures showing that this month is likely to be the warmest April since records began. (BBC)

Scientists: Prehistoric Volcanoes Heated Earth
April 27 — Ancient volcanoes may have caused a dramatic warming of the Earth's atmosphere that raised sea temperatures and killed off many marine species, resulting in a "planetary emergency," U.S. and European scientists said. (Reuters)

Ocean's 'Twilight Zone' Trap Greenhouse Gases
April 26 — A new study finds that not all carbon travels past the region of the Pacific Ocean known as �the twilight zone��roughly 300 to 3,000 feet below the surface where there isn't enough light for photosynthesis�which acts as a gateway to the deep ocean below. (LiveScience.com)

Ice Shrinks, Birds Migrate Early in Warmer Arctic
April 26 — A Norwegian glacier has shrunk on an island 600 miles from the North Pole, a usually frozen fjord is ice-free, and snow bunting birds have migrated back early in possible signs of global warming. (Reuters)

Fish Growing Faster as Oceans Warm
April 26 — Researchers believe that some species of Australian fish are growing bigger, much faster, because ocean temperatures are warming up. (Australian Broadcasting Corp.)

Outdoor Seven-Story Lab Simulates Big Earthquake
April 25 — Researchers have built a seven-story, 275-ton building on the world's largest outdoor shake table and vibrated it to reproduce the motions of the powerful Northridge earthquake in California. (LiveScience.com)

Texas-Mexico Tornado Death Toll Reaches 10
April 25 — A tornado killed 10 people, injured at least 80 and left hundreds homeless when it struck along the U.S.-Mexico border overnight and cut a four-mile swath of damage, officials said. (Reuters)

China to Force Rain Ahead of Olympics
April 25 — Chinese meteorologists say they can force rain in the days before the Olympics, through a process known as cloud-seeding, to clean the air and ensure clear skies. (Associated Press)

Researchers Probe Fossilized Rain Forest
April 24 — Coal miners working in Illinois have unearthed, chunk by fossilized chunk, what has revealed itself over the past few years to be the remains of a fossilized rain forest. (Associated Press)

Storm Piles 16 Inches of Snow on Colorado
April 24 — A storm system piled more than a foot of snow on the Colorado foothills and hit the Plains with violent thunderstorms, flooding rainfall and hail. (Associated Press)

Global Warming Imperils Himalayan Glaciers
April 23 — Global warming could wipe out large areas of glaciers in the Himalayas and surrounding highlands, threatening livelihoods across much of Asia, climate scientists said. (Reuters)

2004 Quake Wounded Earth's Crust
April 23 — Deep water may be healing the portion of Earth's crust ruptured by the deadly 2004 Sumatra-Andaman earthquake, say Japanese scientists who have detected changes deep in the quake zone with orbiting, gravity-measuring spacecrafts. (Discovery.com)

NYC Pledges One Million New Trees by 2017
April 22 — One million new trees will join the urban landscape of New York City by the year 2017 to reduce air pollution, cool temperatures and help improve the city's long-term sustainability, officials said. (Associated Press)

Vanishing Honeybees Mystify Scientists
April 22 — Billions of bees are disappearing from the United States, Europe, and Brazil, and scientists are mystified about why. (Associated Press)

Whales Recruited as Arctic Oceanographers
April 21 — Scientists have enlisted narwhals, a deep-diving arctic whale famous for the males' long, spiral tusk, to retrieve important data on one of the most remote and inhospitable places on Earth. (Australian Broadcasting Corporation)

Study: Sudden Sea Level Surges Threaten 1 Million
April 20 — More than 1 billion people live in low-lying areas where a sudden surge in sea level could prove as disastrous as the 2004 Asian tsunami, according to new research. (Reuters)

Scientists Give Odds on Arctic Sea Ice Shrinkage
April 20 — Researchers are forecasting a one-in-three chance that the extent of sea ice covering the Arctic will reach an all-time record low this year. (LiveScience.com)

Climate Experts Say Drought May Be Easing
April 20 — The drought that prompted the federal government last year to declare an agricultural disaster area in 39 northern Minnesota counties is over in the state's prime agricultural areas, according to new data released by the National Drought Mitigation Center. (Associated Press)

Australia's Drought Linked to Global Warming
April 20 — An unprecedented drought that has withered Australia's major food production zone could be a taste of things to come as global warming ramps up, experts said. (Agence France-Presse)

Colombia Volcano Erupts, Thousands Flee
April 18 — Thousands of people were evacuated after a long-dormant volcano erupted, provoking avalanches and floods that swept away houses and bridges. (Associated Press)

Drillers Target Earthquake Zone
April 18 — Researchers are about to drill down into an earthquake zone at the Nankai Trough off the coast of Japan to understand the causes of deadly quakes and tsunamis by pulling up cores for study and by putting down sensors to monitor changes in the rock. (BBC)

Hurricane-Warming Link Debated
April 18 — A new study raises the possibility that global warming will increase atmospheric wind shear, making it harder for hurricanes to form. (Associated Press)

Earth's Oldest Tree Had Fronds, Not Leaves
April 18 — The branches of Earth's oldest tree probably waved in the breeze like a modern palm, scientists said, based on two intact tree fossils that help explain the evolution of forests and their influence on climate. (Reuters)

Kilimanjaro Ice Set to Linger
April 17 — A fresh assessment by Austrian scientists suggests the famous ice fields on Africa's tallest mountain will be around for decades yet. (BBC)

Huge California Surfing Waves Explained
April 17 — Researchers have mapped the seafloor off central California in unprecedented detail, revealing what produces the famed waves at a reef called Mavericks. (LiveScience.com)

Quake Injures 12 in Central Japan
April 16 — An earthquake and associated aftershocks that rattled central Japan over the weekend injured 12 people, local officials said. (Agence France-Presse)

Tenth Anniversary of Grand Forks Flood
April 15 — Heavy rain and snow still make people nervous along the Red River of the North, which devastated North Dakota's third-largest city 10 years ago and forced thousands to flee in one of the costliest and largest U.S. flood evacuations before Hurricane Katrina. (Associated Press)

Far North Feels Worst Effects of Warming
April 15 — As scientists work to establish the impact of global warming, explorers and hunters slogging across northern Canada and the Arctic ice cap are describing the realities they see on the ground, including Inuit hunters falling through thinning ice and not enough snow to build igloos for shelter. (Associated Press)

Northeast Prepares for Severe Storm
April 14 — A severe weather system blamed for five deaths plowed eastward out of the Plains, leaving snow piled more than a foot deep and rattling the Gulf states with violent thunderstorms. (Associated Press)

Strong Earthquake Rocks Mexico
April 13 — A strong earthquake hit Mexico, knocking out power in parts of Mexico City and Acapulco and sending frightened residents into the streets. (Associated Press)

Earthquake Causes Coral Reefs to Die
April 13 — A 2005 earthquake off the coast of Indonesia raised an island nearly four feet out of the water, causing one of the biggest coral die-offs recorded, scientists said. (Associated Press)

Powerful Winds Wreak Havoc Across Los Angeles
April 12 — Powerful winds wreaked havoc across Los Angeles, fanning brush fires near one of the city's most exclusive neighborhoods and knocking out power to thousands of homes, officials said. (Agence France-Presse)

Glaciers Slowed by Sticky Spots
April 12 — New research into what makes glaciers suddenly change their ebb and flow is revealing that it all depends on "sticky spots" on glaciers' underbellies, say an international team of researchers. (Discovery.com)

Warming Could Spark North American Water Scramble: U.N.
April 12 — Climate change could diminish North American water supplies and trigger disputes between the United States and Canada over water reserves already stressed by industry and agriculture, U.N. experts said. (Reuters)

Panel Says U.S. Faces Change as Climate Warms
April 11 — A new climate report suggests Chicago and Los Angeles will likely face increasing heat waves, severe storm surges could hit New York and Boston, and several U.S. cities that rely on melting snow for water may run into serious shortages. (Associated Press)

Indonesia Gets New Tsunami Warning Buoy
April 11 — Indonesia began installing its first locally made tsunami warning buoy in the Indian Ocean as part of efforts to protect coastal communities from future killer waves. (Reuters)

Report: Deadly Heat Waves Threaten Europe
April 11 — Dying dolphins in the Mediterranean, reduced livestock in Britain, the extinction of plants in the Alps and frequent heat waves are some of what awaits Europe in the next decades due to climate change, according to a U.N. report. (Reuters)

Study: NYC a Top Greenhouse Gas Producer
April 11 — New York City produces nearly 1 percent of the nation's greenhouse gas emissions - an amount almost equal to Ireland and Portugal - according to a city study. (Associated Press)

U.N.: How Climate Could Spread Hunger
April 10 — Rising global temperatures could melt Latin America's glaciers within 15 years, cause food shortages affecting 130 million people across Asia by 2050 and wipe out Africa's wheat crop, according to a U.N. report. (Associated Press)

Africa Needs Regional Networks to Fight Warming
April 10 — Africa must build regional forecasting networks to predict and help avert the worst impacts of global warming, climate experts said. (Reuters)

Scientists Develop Model to Combat Sea Level Rise
April 10 — Scientists at the Australian National University are developing a digital model of Australia's coast to work out which areas will be submerged by climate change. (Australian Broadcasting Corp.)

Deforestation Effects Depend on Location
April 9 — A new study confirms the effectiveness of tropical forests at reducing warming by absorbing carbon, but also suggests that in snowy latitudes, forests may actually increase local warming by absorbing solar energy that would otherwise be reflected back out into space. (Associated Press)

Volcano Eruptions Diminish on Indian Ocean Island
April 8 — A volcano on the Indian Ocean island of Reunion which has been spewing out lava and ash for nearly a week appeared to be calming down, the local government said. (Reuters)

Climbers Becoming Reluctant Witnesses to Global Warming
April 7 — Mountaineers are bringing back firsthand accounts of vanishing glaciers, melting ice routes, crumbling rock formations and flood-prone lakes where glaciers once rose. (Associated Press)

Quake Lifts Solomon Islands Out of Sea
April 7 — The seismic jolt that unleashed the deadly Solomon Islands tsunami this week lifted an entire island meters out of the sea, destroying some of the world's most pristine coral reefs. (Agence France-Presse)

Reunion Sees 'Colossal' Volcano Eruption, But Population Safe
April 7 — A volcano on the Indian Ocean island of Reunion has spewed massive lava flow and tossed magma as high as skyscrapers, but residents were not in danger, officials said. (Agence France-Presse)

Panel: Global Warming a Threat to Earth
April 6 — An international global warming conference approved a report warning of dire threats to the Earth and to mankind from increased hunger to the extinction of species unless the world adapts to climate change and halts its progress. (Associated Press)

Bleakest Warning Issued on Climate
April 6 — Top climate experts issued their bleakest forecasts yet about global warming, ranging from hunger in Africa to a thaw of Himalayan glaciers in a study that may add pressure on governments to act. (Reuters)

Warming Not Behind Hurricane Activity: Forecaster
April 6 — Natural changes in ocean currents are to blame for increased Atlantic hurricane activity in recent years, not man-made global warming as many scientists believe, hurricane forecaster William Gray said. (Reuters)

Study: Lake Superior Warming Quickly
April 6 — Lake Superior has been warming even faster than the climate around it since the late 1970s due to reduced ice cover, according to a study by professors at the University of Minnesota-Duluth. (Associated Press)

Winter Arctic Sea Ice Near Record Low
April 5 — Winter Arctic sea ice this year made up the second smallest area on record in a sign of greenhouse warming, U.S. climate scientists said. (Reuters)

Climate Change Threatens a New Dust Bowl
April 5 — Changing climate will mean increasing drought in the Southwest, a region where water already is in tight supply, according to a new study. (Associated Press)

Study Shows Rich Reforestation After Fires
April 4 — Scientists looking at the aftermath of wildfires in the forests of southwestern Oregon and Northern California found that after five to ten years even the most severely burned areas had sprouted plentiful seedlings without any help from man. (Associated Press)

'Rough Guide' Tsunami Warnings on the Way
April 4 — Australians could soon be receiving more detailed tsunami warnings but scientists cannot be confident their predictions will be very accurate, because they have not finished modeling how the sea behaves. (Australian Broadcasting Corp.)

Global Warming Driving Australian Fish South: Report
April 4 — Global warming is starting to have a significant impact on Australian marine life, driving fish and seabirds south and threatening coral reefs, Australia's premier science organization said. (Reuters)

Barrier Reef Could Have Blocked Tsunami: Scientist
April 3 — A Queensland marine scientist says the Great Barrier Reef may have delayed the impact of the April 2 tsunami in the Solomon Islands. (Australian Broadcasting Corp.)

Forecasters Predict Busy Atlantic Hurricane Season
April 3 — The 2007 Atlantic hurricane season will be far more active than usual with an expected 17 tropical storms, of which nine will strengthen into hurricanes, a noted forecasting team founded by William Gray said. (Reuters)

NASA: Arctic Meltdown Threatens Ice Cap's Stability
April 3 — Perennial sea ice in the Arctic is melting faster each summer than it can be replaced during winter, a new study confirms. (LiveScience.com)

Tsunami Devastates Western Solomons
April 2 — At least 15 people were killed when tsunami waves churned by an undersea earthquake crashed ashore in the Solomon Islands, wiping away entire villages and triggering alerts from Australia to Hawaii, officials said. (Associated Press)

Global Warming Expert Fears 'Refugee Crisis'
April 2 — Within two or three decades, there could be one and a half billion people without enough water, according to a new report on the impacts of global warming. (ABC)

Spring Mystery: Where are all the Bees?
April 1 — Scientists are grappling to understand why honeybees are suddenly leaving their colonies � and disappearing almost overnight � by the millions in the United States, Canada and Europe. (ABC)

Tropical Losers, Northern Winners from Warming?
April 1 — A draft UN report foresees unequal impacts from warming: tropical nations from Africa to the Pacific, mostly poor, are likely to bear the brunt but those nearer the poles, mostly rich, may briefly benefit. (Reuters)

Drought Affects Millions in Thailand
April 1 — Scorching weather and a lack of rain has left more than eight million people in Thailand suffering through a drought that is ruining their farmland, officials said. (Agence France-Presse)

Los Angeles Suffers Longest Dry Spell in 130 Years
April 1 — Los Angeles is going through its longest dry spell in at least 130 years the National Weather said, fueling fears of rampant wildfires that have plagued the U.S. west coast in recent years. (Agence France-Presse)

Deadly Floods, Avalanches Hit Afghanistan, Pakistan
April 1 — Floods and avalanches killed scores of people in Afghanistan and Pakistan, officials said, as heavy rains destroyed villages, flooded farmland and drove hundreds from their homes. (Reuters)

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