Scientists who study climate change and ocean environments have made several recent discoveries. Their findings have challenged the conventional wisdom that climate change could eliminate coral reefs. What they've found is that they probably won't disappear, but they will see major changes.
Nigeria's seen a boom in gold mining in recent years, with the sky-high price of gold globally. But in Nigeria, unlike most places, gold runs with lead. As villagers mine the gold, they're also mining lead, leading to massive contamination of their villages and even deaths.
More than 100 tornadoes were reported in just 24 hours in the Midwest over the weekend, destroying homes and taking the lives of at least six people -- all in Woodward, Okla. However, new, stronger and more advanced warnings from the National Weather Service may have limited the death toll.
Farmers often use low doses of antibiotics on their large farms to keep disease at bay. But critics say that's leading to drug resistant bugs that are killing people. A new court ruling will require the FDA to stop the use of two specific antibiotics, but activists are targeting the whole range of antibiotics used in animals.
Across the world, scientists are trying to determine where seasons are shifting. Spring arriving earlier, winter arriving later — it's happening in many countries. Now, the question is, what will be the consequences of that change.
A Japanese fishing boat that was swept out to sea during the earthquake and tsunami in March 2011 has been sent to the bottom of the Gulf of Alaska by a U.S. Coast Guard cutter. The vessel was sunk to prevent it from endangering other ships as well as keep it off North American shores.
Eleven African countries are working to build a green wall of trees on the southern border of the Sahara. Their goal is to fight desertification in the Sahel region.
The U.S. Food and Drug Administration is in the middle of a lengthy review of the chemical triclosan -- a product that's in countless consumer products like toothpaste and soap. There's a movement to try and get the product more stringently regulated in the United States -- or banned outright. And they might have just gotten a boost from Canada.
New research on the air quality around natural gas wells provides additional evidence and controversy about the possible health effects from hydraulic fracturing or "fracking." In Colorado, scientists found that fracking wells emit potentially toxic hydrocarbons into the air.
James Cameron traveled some seven miles down into the ocean, as many miles below the Earth's surface as miles modern jetliners fly above the surface. He engineered a new deep sea submersible for the journey.