(FILES) Barren fields once sown with row crops are seen, July 23, 2021 on a farm in the town of Huron, California in the drought-stricken Central Valley. Scientists warn of record heat, threats to climate monitoring. Planetary heating is intensifying and key climate indicators are deteriorating, top scientists said on June 11, 2026, warning that funding decisions affecting Earth observation systems in the United States and other countries threaten efforts to track global warming. (Photo by Robyn Beck / AFP via Getty Images)