Lake Mead National Recreation Area in Nevada. Two corpses were discovered in early May in Lake Mead, as water levels fell to their lowest point since the reservoir was filled in the 1930s. Credit:Ethan Miller/Getty

The concentration of carbon dioxide in Earth’s atmosphere has reached its highest level in recorded human history. Again.

In April, the level of CO2 was 27% higher than it was 50 years ago, according to the latest data from the National Oceanic and Atmospheric Administration and the Scripps Institution of Oceanography. (Methane, a gas with about 85 times the near-term warming effect of CO2, has risen more than 16% since 1984, the first full year that NOAA collected data.)

Each spring, going back decades, we have surpassed the previous year’s CO2 record, as humans continue burning hydrocarbons at breathtaking rates, releasing greenhouse gasses. That impacts temperatures, precipitation, the intensity of storms and other weather patterns.

Across the American Southwest, this has amplified record droughts and fires.

Climate change is exposing where the bodies are buried, literally. Boaters and paddle boarders discovered two corpses in early May in Lake […]

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