Different forms have color codenames ›››
Emissions removed from the air might fuel jets, clean your laundry or put bubbles in your drink›››
'Blue diesel'-powered ships, COVID-19's effect on the oceans and microbots to the rescue›››
Change is coming, but humans must start adapting now ›››
Residents of the world’s driest regions might someday owe a debt to the Namib desert beetle, which is giving up secrets to harvesting water from the air›››
Solar-powered plants could help achieve global water security — with a surprising benefit in energy storage›››
Wood, gravity, sand and more offer potential solutions ›››
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