Tropical dry forests are critically endangered ecosystems that once covered vast areas of the planet but have been largely destroyed, with less than 8% of the original extent remaining in some regions ...

The map shows the variation in temperature differences between ground level and above canopy level (ground level always cooler) on the South American continent. The map is based on actual data ...

By Rhett Ayers Butler [( A deceptively simple question underlies many global environmental policies: where, exactly, are the world’s forests? A new study suggests the answer depends heavily on which ...