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The state is unsure how to address emissions from the soil.
Smoky air from wildfires, a severe June heat wave and unusual snowmelt made for some strange weather extremes in 2021.
It was warmer and drier than average, but not without extraordinary events.
Use this interactive map of current wildfires in the U.S. to get the latest info.
The rover is the most sophisticated that NASA has ever sent to Mars. It will search for signs of ancient microbial life, characterize the planet's geology and climate, and collect rock/sediment samples for possible return to Earth. It is powered by heat from the radioactive decay of plutonium into electricity used to charge its two batteries.