Biodiversity refers to the variety of lifeforms existing in a given ecosystem. On Earth that includes plants, animals, micro-organisms and many millions of different species of lifeforms. Maintaining healthy biodiversity is crucial because all aforementioned lifeforms are interdependent, and the wellbeing of each is linked to the others. Environmental detractors like climate change threaten biodiversity greatly and should be limited as much as possible to prevent further harm. (Photo: Flickr)

The tropics are losing trees at a troubling rate

Why the loss of amphibians matters

Big predators are showing up in surprising places more often. (That's a good sign.)

North America has millions of utility markers. This biologist sees millions of birdhouses.

12 incredible facts about lemurs

Why 'lazy' lawn mowers are heroes for bees

These weird Hawaiian spiders are helping scientists understand a quirk of evolution

Beech trees are taking over some U.S. forests

Happy Darwin Day

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Earth enjoys a surge of ocean sanctuaries