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Marsha Walton is a science, technology and environment writer and producer. She worked at CNN and CNN.com for 16 years, covering the dot com boom and bust, the Mars rover landings, and numerous space shuttle missions. She worked with CNN meteorologists in the field to cover hurricanes, tornadoes, and climate change.

She also writes for Mother Nature Network, www.mnn.com.

She is especially interested in oceanography, global warming and conservation issues. Marsha has degrees from Northwestern University and the Columbia Graduate School of Journalism.

Stories by:

• Renewable Energy: A Reality Check in Rural China
  Young engineer takes on a global challenge: Clean and sustainable energy, one village at a time
• Ice Core Secrets Could Reveal Answers to Global Warming
  Ancient ice cores provide clues to future climate change
• Geomagic: Expanding Tools for a 3-D World
  From shoes to the space shuttle, advanced 3-D imaging streamlines cost and safety
• Secrets of Slithering Snakes
  Slithering snakes teach scientists about movement and design
• Virtual Reality Fires Up Research Efforts
  Researchers team up with fire experts to place homeowners in virtual wildfires
• There Are No Limits in This "Universe Quest"
  Universe Quest opens new worlds for young explorers
• Unmanned Helicopters Could Help Air Traffic Controllers
  Small aircraft could have big impact on safety
• Disappearing Frogs: Trying to Save the World's Amphibians
  Frogs in fight for their lives from disease, pollution, habitat loss
• Undersea Gliders May Help Oceanographers Understand "Dead Zones"
  Versatile undersea gliders provide critical ocean data
• Wave of Discovery: Harnessing the Ocean's Power
  Wave energy research swells
• Making Waves, Saving Lives
  Making waves provides insight into nature's most destructive forces
• Inventor Realizes Dream to Create Stronger Metal Foam
  New material absorbs seven to eight times the energy absorbed by similar foams
• Sea Turtles
  "Turtle Positioning System" helps reptiles on fantastic voyage
• Biological Clocks
  Uncovering the molecular secrets of what makes us tick
• The SpelBots
  First-ever all female, African American RoboCup team has global impact
• Wind Powers Careers in Wyoming
  Community college program trains future wind power technicians
• New Leaf Sensor Alerts When Plants Are Thirsty
  These tiny, lightweight gadgets could mean huge savings for farmers
• Got Silk?
  Researchers are spinning spider silk from goats' milk
• Hand Talk--Preserving a Language Legacy
  Historical films, field work reveal more about endangered Native American language
• Dying Lobsters
  Researcher narrows down spread of first lobster virus
• Lice and Human Migration
  What lice reveal about our evolutionary history
• Fluorescent Fruit Flies Shed New Light
  Researchers genetically engineer glow-in-the-dark sperm in fruit flies, revealing much more about sexual selection
• Engineering and Music: A Powerful Duet for Art and Science
  These engineers and musicians are hitting just the right notes
• Citizen Science
  Volunteers help scientists understand birds and changing habitats
• Hidden Oil and Gas Plumes in the Gulf
  Below the surface, thousands of marine creatures are still in danger from Gulf oil disaster
• IceCube and Its Frozen Secrets
  Searching below the surface of Antarctica for the mysterious neutrino
• Leaf-cutter Ants
  Farmers, pharmacists and energy experts!
• Glowing Squid
  Shining Symbiosis: Bobtail squid and their bacteria buddies
• Fascinating Flight
  Looking to the ground before taking to the air–-what ground birds can teach us about flight
• DigiMorph: Bringing Fossils to Life
  Cutting edge research without having to cut up anything!
• Spray-on Solar Panels
  Getting a charge out of solar "paint"
• Evolution in Action
  Observing a split in the butterfly family tree
• Lord of the Tree Rings
  Tree rings are nature's historians
• If These Teeth Could Talk
  What was really on the menus of our ancestors?
• 3D Proteins--Getting the Big Picture
  Virtual reality immerses students in proteins and peptides
• Music and Creativity
  Music can spark creativity in math and science
• Marshes and Sea Level Rise
  How climate change is impacting marshes
• Cooperative Robots That Learn = Less Work for Human Handlers
  Researchers are developing a robot language so 'bots' can cooperate with each other
• Decoding Disasters: Are We Prepared for Another 9-11?
  Disaster Research Center scientists study world's worst disasters in hopes of saving more lives in the future
• Invasion of the Earthworms!
  Non-native earthworms are damaging hardwood forests
• Antarctica Rocks!
  Researchers brave bone chilling cold to solve geologic mysteries
• New Home Movies Resurrect Endangered American Indian Language
  Educator develops multimedia tools to share Ojibwe language and culture
• Climate Change and Other Threats to World's Freshwater Goliaths
  Large Lakes Observatory works toward deeper understanding of how lakes function
• Catching a Coral Killer
  First ever case of human-caused marine disease
• Engineering Safer Drinking Water in Africa
  Community outreach helps technology solve water problems in Africa
• Threats to Freshwater Mussels and the Consequences for Ecosystems
  Catastrophic decline in freshwater mussels may impact water quality, other species
• Game Changer Research Aims to Forecast Tornadoes
  Researcher is using supercomputers, data mining and meteorology to move us closer to reliable tornado forecasting
• Mapping the Genomes of Crocodiles and Alligators--It's Not for the Faint of Heart!
  Adventurous field work expands knowledge of evolution and could help save endangered species
• Butterflies and Bats Reveal Clues About Spread of Infectious Disease
  Human activity, habitat disruption may affect migration patterns and spread of infectious diseases
• Improving Our Depth Perception in Augmented Reality
  Accurate depth perception is critical to future military, medical applications of AR