CO2 is about to reach its annual May peak, showing the seemingly inexorable rise in the greenhouse gas levels.
Global carbon dioxide levels have now officially reached the 400 ppm level, a first for the planet.
Deep ocean inlets account for about 11 percent of the carbon locked away in marine sediments each year.
An emerging body of research shows that greenhouse gases are billowing out of the state’s woodlands.
Drilling and fracking are creating “industrialized landscapes” that may forever alter ecosystems.
Scientists pinpoint a small number of tree species that hold the most carbon in the Amazon rainforest.
A new study says waning Arctic sea ice could lead to algae blooms that will trap extra heat from the sun.
NASA's SMAP satellite has sent back the first global look at soil moisture, a key drought indicator.
Two new studies show how drastically CO2 has affected Earth's climate in the distant past.
Greenhouse gas emissions fell 8 percent, while renewable energy rose to a record high.
Carbon absorbed by the rainforest is falling, so greater cuts to emissions are needed, warn scientists.
Pollution from deforestation is slowing down, but degradation is worsening in forests that still remain.
National forests, parks and other public lands play a major role in America's defense against climate change.
Carbon dioxide fertilizes forests, but it also encourages bugs to feast, dissipating the climate benefits.
The Amazon inhales less carbon dioxide during drought years, a major concern as the region dries.
Geoengineering offers solutions and risks but reducing emissions is still the best way to address climate change.
Tropical forests may absorb one-third of human fossil fuel emissions, a new study says.
Green bonds are drawing increased attention for financing projects that provide climate benefits.
California gets some drought relief, Europe sets records, the Arctic gets warmer and more.
Fresh data from NASA reveals a comprehensive global view of CO2 in full color.