Inspirational globes for Earth Day inspire a sense of unity and invokes the urgency for everyone to get on board with the green movement.

These ten spacecraft have been (or, in one case, would have been) instrumental to our current understanding of the Earth's environment.

In the race to implement clean, green renewable energy, hydro-power is becoming all the rage. Check out these 15 amazing water-powered designs.

Endangered animals often end up as food for humans for reasons such as cultural convention, traditional medicine, economic need, or arrogance.

An illustrated rundown (based on NASA's authoritative study) of 10 plants that will purify the air in any home or office.

A new generation of bio-fuels, as well as new approaches to established fuel sources, are making a cleaner, greener future seem like more than a mere pipe dream.

A detailed, photographed profile of 10 destructive pollutants and how they are harming the environment for us all.

Everybody wants to make a buck off 'green', but not all companies claiming environmental responsibility are telling the truth.

Bleeding-edge green technologies created by high school and college students for developing countries and developed countries alike.

Here are 12 eye-catching and unique solar-powered concept cars being worked on by the best and brightest minds in automotive engineering.

These genetically modified fruits and vegetables are intriguing, offering better taste, more nutrients, and even disease-fighting properties!

These 7 green celebrities have used their fame as a platform to spread the word on everything from climate change to ending our dependency on foreign oil.

Green gadgets, devices, and products that ultimately use more energy than they save.

Strange, unusual, weird, bizarre ways that animals move and odd facts about animal locomotion including flight, rolling, walking on water, bipedalism, and more.

Let's look at some of the more obscure forms of alternative energy that you can use to power your home.