Sweden's environment minister on Saturday urged the European Union to ban petrol and diesel-powered vehicles from 2030.
Lignin is a bulky chain of molecules found in wood and is usually discarded during biofuel production. But in a new method by EPFL chemists, the simple addition of formaldehyde could turn it into the main focus.
The planet's longest hot streak in 137 years of record-keeping came to an end Tuesday, with last month registering as the second warmest September in modern times, said US government scientists.
In colder weather, people have long been warming up around campfires and woodstoves. Lately, this idea of burning wood or other biomass for heat has surged in popularity as an alternative to using fossil fuels. Now, in the ...