New analysis shows microbial sources fueling rise of atmospheric methane New analysis shows microbial sources fueling rise of atmospheric methane The sudden and sustained risesine 2007 in atmospheric levels of the potent greenhouse gas methane has posed one of the most significant and pressing questions in climate research: Where is it coming from? Read more
Carbon dioxide peaks near 420 parts per million at Mauna Loa observatory 7Jun2021 Read more In May, NOAA's measurements at the Mauna Loa observatory averaged 419.13 parts per million. Scientists at Scripps calculated a monthly average of 418.92 ppm. It's the highest level since accurate measurements began 63 years ago. Read more
NOAA index tracks how greenhouse gas pollution amplified global warming in 2020 24May2021 Read more The annual analysis of samples collected by NOAA’s Global Greenhouse Gas Reference Network provides an updated measure of the excess heat trapped in the atmosphere by greenhouse gas pollution. Read more
Meet 5 NOAA buoys that help scientists understand our weather, climate and ocean health 2Jun2021 Read more Keeping track of ocean health is critical for understanding climate change, weather patterns, and the health of important fisheries. But how do NOAA and partner scientists gather data on such a vast environment? Read more
NOAA, Boeing team up to test greenhouse gas-measuring technology 3Jun2021 Read more Scientists with NOAA's Global Monitoring Laboratory will evaluate the optimal placement of greenhouse-gas sampling inlets on a Boeing 737 flying testbed owned by Alaska Air during Boeing's 2021 ecoDemonstrator technology development program. Read more
Low-oxygen waters off Washington, Oregon coasts risk becoming large 'dead zones' 21Jul2021 Read more A large area of poorly oxygenated water is growing off the coast of Washington and Oregon. Scientists say oxygen levels may fall low enough to create "dead zones." Read more