Alarm as Earth hits 'Overshoot Day' Thursday: NGOs

Mankind marks a dubious milestone Thursday, the day by which humanity has consumed all earth can sustainably produce for this year, with NGOS warning the rest of 2022 will be lived in resource deficit.

Can Recycling Be Bad for the Environment?

(PhysOrg.com) -- By now, nearly everyone knows that it is important to recycle. It helps the environment. Even my six-year-old knows that. But what if it doesn't? While it seems pretty straightforward, in most cases, there ...

Trash piles up in US as China closes door to recycling

For months, a major recycling facility for the greater Baltimore-Washington area has been facing a big problem: it has to pay to get rid of huge amounts of paper and plastic it would normally sell to China.

Lab turns trash into valuable graphene in a flash

That banana peel, turned into graphene, can help facilitate a massive reduction of the environmental impact of concrete and other building materials. While you're at it, toss in those plastic empties.

Team creates crystals that generate electricity from heat

To convert heat into electricity, easily accessible materials from harmless raw materials open up new perspectives in the development of safe and inexpensive so-called "thermoelectric materials." A synthetic copper mineral ...

Temperature differences give rise to electricity

More than half of today's energy consumption is squandered in useless waste heat, such as the heat from refrigerators and all sorts of gadgets and the heat from factories and power plants. The energy losses are even greater ...

page 1 from 28