pledges

New NASA chief scientist pledges a plan to renew agency’s Earth satellite fleet

by

NASA’s newly appointed science and Earth science lead says there is “more to plan” when it comes to figuring out next priorities for the agency’s aging satellite fleet. Katherine Calvin is the first NASA chief scientist to also act as the agency’s senior climate advisor, a role created in February 2021. Calvin is serving in … Read more

Satellites reveal record high methane concentrations despite reduction pledges

by

Concentrations of greenhouse gases in Earth’s atmosphere continued to rise in 2021 in spite of climate pledges and the economic slowdown brought about by the COVID-19 pandemic, satellite data reveal.  Methane concentrations in particular showed a worrying trend, rising to a new maximum of nearly 1,900 parts per billion (ppb), according to the European Earth … Read more