An introduction to Earthships, completely self-sustaining, eco-friendly homes.

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.

The long process of removing a mountaintop to access the coal underneath puts local communities at risk of water and air pollution and turns entire ecosystems to rubble.

The unique benefits of composting include a reduction of waste needlessly going into landfills and the production of a free stable, organic soil amendment.

Coal is the undisputed leader in dirty fuel sources. But beyond the issue of global warming, coal-fired power plants are also dangerously dirty in other ways.