Scientists have identified over 50 places around the world that are emitting vast amounts of methane. The greenhouse gas is about 80 times more effective at trapping heat than carbon dioxide.
Under threat since 2020, the 20-year satellite monitoring program for deforestation in Brazil’s Cerrado savanna, a global biodiversity hotspot, may end in April due to lack of funding.
Governments are turning to the technology to expose hidden sources of greenhouse-gas emissions and monitor compliance with global pacts—as well as to point fingers at each other.