Vecka 21

Ramar vinner över fakta

”Hur kan män som älskar sina pickup-truckar med extra stora hjul och slukar bensin byta till elektriska motsvarigheter? => Genom att de ser hur de kan leva ett friare liv, oberoende av stigande bensinpriser och negativa miljömuppar” Läs mer

The Truth Sandwich

The world’s most accessible stress reliever, singing! BBC Future

”Whether you have the voice of a songbird or sound like some ball-bearings in a blender, singing can have some remarkably positive effects.” Läs mer

The economics of cheaper batteries—and why they’re good news for the planet.

”In 2010, a lithium-ion battery pack with 1 kWh of capacity—enough to power an electric car for three or four miles—cost more than $1,000. By 2019, the figure had fallen to $156, according to data compiled by BloombergNEF. That’s a massive drop, and experts expect continued—though perhaps not as rapid—progress in the coming decade. Several forecasters project the average cost of a kilowatt-hour of lithium-ion battery capacity to fall below $100 by the mid-2020s.” Läs mer