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Which masks protect best against wildfire smoke?
N95s offered the best protection against wildfire smoke, reducing exposure to harmful particles by a factor of 16, according to the study published in August in the journal GeoHealth.
Natalia Ortiz: Yes, kids are at risk from COVID. But parents must pay attention to climate change, too
Leonard Pitts, Jr.: From the looks of things, willful ignorance is going to be the death of us
The insurrection crisis, the COVID crisis and the climate-change crisis are really, at bottom, just facets of a misinformation crisis.
Jacqueline Savitz: Biden, US must strengthen efforts to fight climate change
Catastrophic climate events are ramping up every year, in large part because of all that carbon dioxide we're releasing and how it interacts with the atmosphere and our ocean.
CO2 levels are highest they’ve been in 63 years, NOAA says
Since 1958, samples of the air have been collected atop a barren volcano in the middle of the Pacific Ocean to track atmospheric carbon dioxide levels in the northern hemisphere. Now, 63 years later, those levels have peaked.
Miami-Dade heat officer combats temperatures, climate change
We now have a chief heat officer and a mayor who see heat and climate change as urgent. There's no time to lose.