Jesse Metcalfe talks about his green-minded character on 'Dallas' and the loss of Larry Hagman.

Plus: Notes from around Hollywood.

TV networks hope animal-centric programming can lure viewers who care more about pets than the big game.

National Geographic's popular 'Brain Games' series takes a look at the laws of attraction in a special Valentine's Day episode.

James Costa's new documentary looks at childhood obesity, school food and what fuels all those unhealthy cravings.

Global effort will start in the U.K. city of Bristol — with over 36,000 children from 130 schools planting saplings.

Psychologists wanted to know why some people are more likely than others to be proactive. Here’s what they found.

SC Johnson discloses fragrance ingredients in its products to help consumers make even more informed choices. Take this quiz to see how much you already know.

Conservation photographer Krista Schlyer is documenting the people, wildlife and landscapes of America's 'forgotten' river.

The beaches of France have been invaded by yellow, sponge-like balls that may be illegally dumped paraffin.

From what you eat to where you eat it, here's how to help the planet on your lunch break.

At a campaign stop, retired environmentalist Anthony Samsel asked Mitt Romney a question about coal-fired power plants. Romney's response surprised him.

Spending cuts are the talk of Washington these days. Some are looking to make big political gains with cuts that won't create measurable savings.

Sen. James Inhofe is trying to set himself up as a 'climate hoax' expert, but he lacks even the basic facts about climate change in his own state of Oklahoma.

While they declined a televised science debate, the candidates did provide written answers to 14 questions from the country's top scientists.

It's easy to blame the corporates, the governments, the multi-nationals. But how different is it on the local level, the personal level?

Global warming will march on regardless, argues writer Sami Grover. Maybe it's time to get more ambitious in our response.

President Barack Obama will announce a comprehensive plan to reduce greenhouse gas emissions in a highly anticipated speech today.

New research finds that a relativity cheap and safe diabetes medication may help prevent breast cancer.

A group of chemicals found in personal care products may raise the risk of diabetes, a new study suggests.

Metformin, an inexpensive and common diabetes drug, may fight ovarian cancer, according to a new study.

Resistance is not futile. In fact, it can stave off colon cancer and ease inflammatory bowel disease and other digestion problems.

Government officials in Dubai give new meaning to the phrase worth your weight in gold.

Between Ceylon and cassia cinnamon, which is better and how do you tell them apart? Here's the scoop.

A Chicago group is urging seniors to cha-cha-cha in an effort to ward off Alzheimer's, a disease that affects a disproportionate amount of Latinos.

Study participants on higher doses of statins were 15 percent more likely to develop diabetes than those on lower doses.

Researchers find a strong association between elevated blood glucose levels and certain types of cancer.

The Big Picture Campaign is empowering youth to change the conversation about Type 2 diabetes with poetry that could help solve our country's food ills.

A random YouTube video leads to the reunion of two sisters who grew up 5,000 miles apart.

According to some experts, the ubiquitous BFF self-portraits may be responsible for a significant increase in head lice.

Pancake was born with a skeletal deformity and has to rely on only her back legs, but it sure hasn't slowed her down.

When disasters strike, we want to help the victims, even from thousands of miles away. Consider these giving strategies to make sure your donation counts.

As a partnership with a nonprofit that provides shelter to homeless families goes to show, Amazon's takeover of downtown Seattle isn't without altruism.

Housing charity New Story teams with 3-D printing startup ICON to fabricate 100 affordable and innovative abodes in El Salvador.

A decade-long search for alien life called the Breakthrough LiBillionaire Yuri Milner pledges to fund a decade-long search for intelligent life.

Video: Chuck interviews Ray Anderson of Interface Inc., author of 'Confessions of a Radical Industrialist'.

Human trials are set to begin on the treatment, which cured 100 percent of mice during animal trials.

New studies on cancer are paving the way for faster diagnosis, better treatment — and more lives saved.

A great pied hornbill at Jurong Bird Park developed cancer, and doctors used 3D printing to make a prosthetic casque for it.

Researchers discover that an overwhelming number of older adults with low vitamin D levels suffer from depression.

The secret to chicken soup's medicinal properties have been revealed by dietician Sandy Allonen.

The medicinal soil called "healing soil" has been found to contain powerful antibiotics that kill superbugs.

A device undergoing clinical trials in the U.K. may detect cancer by analyzing the compounds left by cells' biochemical reactions.

Black women's contributions to society have often been overlooked, yet these pioneers in science, technology and medicine have changed history.

Airbnb is offering free housing for cancer patients and the people who care for them.

The quirky Joshua tree may be nearly gone in 50 years if we don't battle climate change.

The Bush Administration buried a report showing a highly elevated risk of cancer for those living near coal ash. Why do we burn coal again?

Complaints of sidewalk excrement have become so frequent that the city has established a team dedicated to clearing away number twos.

A USGBC report highlights green building advancements made in all 50 states.

The BuildingGreen Top 10 Green Building Products were announced at Greenbuild 2011.