Stories by Dave Levitan

Concerns about costs and safety remain, however

Tree rings, ice cores and sediment deposits could record changes in pollution during the global shutdown

Technology can be improved in developed countries, and spread much more widely in developing countries

Energy Secretary Rick Perry and his department want to tilt the playing field in the name of helping a supposedly frail electric grid

But would a price of $40 per ton hold back climate change as much as Obama policies would have?

New Trump appointments could de-emphasize intelligence reports on climate as “threat multiplier” but military investments may be hard to alter

Despite optimistic precipitation outlooks for southern California, the state has received little drought relief

Public rail systems are harvesting and storing electricity from regenerative braking with the hope of making a profit on power sold back to the grid

Tiny diatoms would add precision to the ongoing efforts to measure the natural gas boom’s effects on water quality

Once unfettered labs seek financial shelter

A decade of neglecting the National Institutes of Health budget has left a sector of science scrabbling to survive

Engineers and industry agree that although challenges abound in utility-scale solar in the sunniest places on Earth, we have the technology to go big in the desert

An academic debate ponders whether Earth's climate could change precipitously, and how unmitigated regional stressors could irrevocably alter the planet