Austin Becker developed an early warning system to protect critical infrastructure from storms. His project’s funding was eliminated in April.

© Kannetha Brown for The New York Times

Climate change enabled the storm to churn faster and grow more quickly, a rapid analysis found.

© Federico Rios for The New York Times

Several agency programs are trying to track and reduce methane emissions around the world. To meet global targets, use of them needs to speed up.

© Angus Mordant/Reuters

Despite its small stature, the city of Keene, has become an example of the safety and climate benefits of swapping traffic lights for roundabouts.

© John Tully for The New York Times