LA Times: Forests in Earth's northern latitudes have been thickened by migrating plant species and younger growth, driving a stronger gyration in the amount of carbon that cycles between land and the atmosphere each year, a new study suggests.
The net rise in seasonal exchange of carbon between land and air cannot be explained solely by increased burning of fossil fuels, more wildfire or changes in the way the ocean cycles carbon, according to the study published online Thursday in Science. Researchers...