Conservation issues are a growing concern for most scientists. As humans continue to consume natural resources, many organisms are headed for extinction. Conservation issues include the protection of trees, animals and wetlands.
Cape Town, South Africa, population 3.7 million, could become the first city on the planet to run out of water. But it may not be the last.
If you think climate change is bad now, two scientists estimate what it would be like without our protected forests.
By Jamie Allen
And your smartphone may be part of the problem; mining rare minerals needed to make them is pushing endangered apes to extinction.
Removing the ban could help manage the animals and save money, but it could also mean the horses will be sold for their meat.
Henderson Island has a human population of zero, and the highest density of litter anywhere in the world.
Wildness is a necessity, as naturalist John Muir once wrote. And it helps if that wildness isn't drowned out by man-made noise pollution.
By Amanda Onion
As the world becomes more urbanized, the demand for sand, a key ingredient of concrete, keeps growing. But there's only so much sand to go around.
By Dave Roos
The OneLessStraw campaign encourages people to kick their straw habit to keep plastic from harming the environment.
New findings about ancient, extinct Australasian bandicoot and bilby species underscore how dire things are today when even survivors like these are struggling.
A new study shows how, years after the disaster, oil from the disaster has made its way into terrestrial species.
Five trillion cigarettes are discarded each year globally. New research looks at the metal content of those on just one beach in the Persian Gulf.
The temporary installation joins the four bronze Barbary lion statues in London's Trafalgar Square; it highlights the rapid ongoing decline in worldwide lion population.
The Great Pacific Garbage Patch is explained in this article. Learn about the Great Pacific Garbage Patch explained.
Without its keystone, a Roman aqueduct collapses. Does the same travesty befall an ecosystem when a keystone species goes missing from the ecological equation?
By William Harris
Insects and biodiversity go hand in hand. Without insects our planet would not survive as they are essential to biodiversity. Check out this gallery on the relationship between insects and biodiversity.
Biodiversity means rainforests and reefs teeming with species right? There's more to it than that though. Genetic diversity has a big role to play, too. Just ask that cheetah cub.
By William Harris
Men have been hunting and killing whales for centuries. Early whalers hunted for survival, but their motivation may have changed once there was money to be made. Whaling for profit has been banned since 1986, but whaling for scientific research is still allowed in certain areas, causing much debate.
Flagship species like leopards, whales and wolves grace wildlife calendars, bring in big conservation dollars and help regulate their ecosystems. But what about the tiny guys you won't find on your calendar? How important are they to Earth's biodiversity?