Unlike solar and wind power generators, an earth energy biomass or geothermal power system is often completely invisible in the finished design of a building.

There is nothing like a natural disaster to remind humans how little control we have over the most powerful land, water, fire and weather forces on the planet.

An astonishing 1 in 4 mammals worldwide are in critical danger (either threatened or endangered). Here are some of the particularly beautiful species that are on the list.

From bright blue sunny skies and other amazing air phenomena and formations to multicolored thunderclouds and chilling airborne disasters and ominous weather patterns.

Learn about forest fires, wild fires, volcanoes, explosions and other major natural disasters involving fire - just don't stand too close to the flame!

25 online green, eco and environmnetal agencies and organizations for wildlife conservation, land conservation, climate change and environmental activism.

From cows aligning on a North-South axis to baby turtles using built-in GPS to navigate oceans, animals are affected by terrestrial magnetism in amazing ways.

The green web is thriving. Optimize your inner eco geek with these 25 green tools, applications and resources.

Some animals have been known to explode naturally, others intentionally, still others accidentally and some even self-destruct as part of a natural defense mechanism.

What is our world coming to? Here is a brief overview of environmental problems, challenges and potential solutions we are confronted with today.