What is the largest living organism on planet Earth? Is it a dinosaur? An elephant? A blue whale? The answer might surprise you…it’s a tree!Watch the video to learn more about this mysterious tree that is the largest living organism on Earth, take the quiz and earn points towards a SEED to help grow a forest somewhere else in the world!
What you’ll learn about Pando:
You’ll learn what makes up Pando, and how it works. Pando is a quaking aspen tree, and these trees reproduce a little bit differently from normal trees.Not through leaves or seeds, but through an extensive root sys…

Polar bears are one of the most magnificent mammals on our planet. These Arctic giants can swim for days at a time, and weigh as much as 10 adult men!

Sadly, these beautiful bears are at significant risk of extinction due to the effects of man-made global warming: their habitat is quickly melting and their food chain is collapsing.We need to act now if we want to save polar bears and ensure that they continue to roam their Arctic home now and in the future!
What you’ll learn about polar bears and why it matters:
With the help of this infographic, you’ll learn all…

Wolves are famous for their hauntingly beautiful howl, yet they are also incredibly intelligent and important animals for ecosystems across the world!Wise up and learn about how wolves changed the rivers in Yellowstone, take the quiz, and earn points towards a SEED!
What you’ll learn and why it matters:
As an important predator in the food chain, wolves keep other populations stable and under control. Can they really change rivers? Do they really have that big of an impact? Can they, like Sustainable Human says, actually “give life”, rather than just eating their prey?
Play thi…

Ocean acidification is often called global warming’s evil twin. And rightly so! It is a much less discussed aspect of global climate change, which causes oceans all around the world to gradually become more and more acidic. Similar to other aspects of climate change, it is caused by the excess of carbon dioxide in our atmosphere. 
Ocean acidification threatens many forms of marine life which will cause negative effects throughout the ecosystem. We need to protect our oceans! Play this quiz to earn points to a SEED, and participate in reforesting the world.
What You’ll Learn about Oc…