Scientists have developed a heating process that converts the “peanuts” used for packaging into carbon anodes for lithium batteries.
As well as eliminating waste, the technique produces batteries that recharge much faster because the carbon anodes are only a tenth as thick as their commercially available counterparts. Read more »
The populations of mammals, birds, reptiles, amphibians and fish have declined by an average of 52%, over the 40 years from 1970 to 2010 – well on the way towards a mass extinction, which is defined as a loss of at least 75% of species. Read more »
The scale of bike sharing in China, and Hangzhou in particular, dwarfs anything in the West. Hangzhou has a 50,000-bike system with 2,050 bike-share stations are spaced 300 metres apart in the city centre and less than 800 metres apart in the suburbs. Read more »
Researchers from the Universitat Autònoma de Barcelona have reported that they have developed an efficient way to obtain electrical energy and hydrogen in a wastewater treatment process. The system uses bacteria which consume the organic material and generate electricity which is used to produce hydrogen. Read more »
The changes in the lake have contributed to local lack of water, crop failures, livestock deaths, collapsed fisheries, soil salinity and increasing poverty throughout the region. All of this has turned the region into a hotbed of tribal violence and terrorism. Read more »