Protesters highlighted the desert festival’s carbon footprint, but the biggest issue may be Burning Man’s opposition to renewable energy in its own backyard.
The mottled bright green leaves of a pothos plant stood out against the flashy expanse of electric vehicles and smart products at the CES tech show in Las Vegas this year. This particular version of the familiar houseplant was bioengineered to remove 30 times the amount of indoor air pollutants of a typical house plant, according to Neoplants, the Paris-based company that created it.
Scientists are planning a "CAT scan" of a British Columbia volcano to help harness the underground heat that turns rock into magma for renewable energy.
The enormous energy demands of Bitcoin mining are prompting some U.S. municipalities to impose moratoriums or outright bans on cryptocurrency facilities. Bitcoin mining activity, critics warn, is leading to electricity price hikes and a revival of dirtier sources of power.