The rate of Ebola cases in a part of Liberia where one rubber tree plantation operates is far lower than in other parts of the country.
Next time you plant the garlic that's sprouted in your kitchen cupboard you could be contributing to the spread of exotic viruses.
A mysterious disease that is turning sea stars to goo has taken off along the Oregon coast, with up to half or more of the creatures being infected in just the last few weeks.
The Peruvian government claims that nearly 900 dolphins died of natural causes. A separate study disagrees.
In what is considered a crazy plan to slow desertification, countries across Africa are planting a wall of Acacia trees.
Like Ireland's potato in the 19th century, African cassava is under attack from a disease that may put poor farmers at risk to famine.
Tiny particles of air pollution may be an important factor in America's worsening diabetes epidemic.
Big, old trees provide irreplaceable habitat for many animals.
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