Hit ‘Unprint’: New technique makes paper reusable

Hit ‘Unprint’: New technique makes paper reusable

A simple method  to erase printed toner from paper would allow the same sheet to be used over and over again before going to the recycling bin, easing the environmental burden of paper consumption. The new unprinting technique is designed for coated glossy papers used...
How the Soviet collapse cut greenhouse gas emissions

How the Soviet collapse cut greenhouse gas emissions

The global food system is a key driver of climate change, responsible for around a quarter of manmade greenhouse gas emissions. And this system changes drastically when there is a political and economic shakeup. That is exactly what happened when the USSR split into...