Observations from the Little Bunker

Last updated: June 04, 2025 10:11 AM

427.2 ppm

+3.4 ppm/year

1935.33 ppb

+9.35 ppb/year

+1.2 °C

Target: 1.5°C

8.1 billion

+67 million/year

Explorers of Ukrainian caves may have brought deadly bat fungus to U.S.

May 29, 2025 • Climate science

Study traces mysterious strain of white-nose disease to visits between American and European cavers