For people uninterested in fighting for the hottest toy or gadget, considering dogs, cats or other animals as holiday gifts may be a cool approach this Christmas.

The winter holidays are here - are your presents? If not, don't worry. Here are a some ideas to get the last few green-loving people crossed off of your list.

Solar and wind energy get a lot of time in the news, but what about all of the other fuel sources being considered? These are five of the more offbeat ideas.

Polar bears are the top predator in the arctic marine ecosystem. But thanks to mankind, these magnificent animals are headed for extinction.

Green architecture has caught on around the world, but some areas still shy away from it. These Istanbul architects are eco-friendly, but in an unexpected way.

These 10 invasive species are infamous for the environmental destruction they have caused, even when introduced with the best of intentions.

From an "eco-smart" company placing ads on a Hummer to McDonald's literally painting its logo green, these 15 examples of greenwashing are totally absurd.

Deforestation, global warming and other climate changes could have serious effects on dolphins, amphibians, turtles, penguins and many other animals.

Animals are more than just our companions. We share a planet with them, and they often clue us in to fascinating new environmental knowledge.