Two analyses of ecological research projects warn that natural processes in the soil increase the threat of global warming.
Clams made yearly temperature records centuries before we took measurements.
A unique material sucks CO2 from the air
A new study suggests the ecosystem -- and others like it -- can't be relied upon to remove excess carbon from the atmosphere.
New research changes our understanding of how humidity influenced the evolution of the human nose.
Scientists use animal images to study the region's environmental history.