New Delhi grapples with worst smog in 17 years

New Delhi grapples with worst smog in 17 years

New Delhi is dealing with serious levels of smog this winter, especially since Diwali celebrations on 30 October. The official data shows that the haze that has covered the Indian capital in the past one week is the worst in nearly 20 years. It has forced the city government to go for several desperate measures, including shutting down schools for three days. It is also considering bringing back the odd-even car rationing scheme in an attempt to bring down the pollution levels. Nov 8, 2016
From the toilet to the tank: Biofuels from sewage

From the toilet to the tank: Biofuels from sewage

What we flush can be converted into a biocrude oil with properties very similar to fossil fuels. Pacific Northwest National Laboratory researchers have worked out a process that does not require that sewage be dried before transforming it under heat and pressure to biocrude. Nov 3, 2016
Poaching: Tragic decline of the African elephant population in numbers

Poaching: Tragic decline of the African elephant population in numbers

There was a 30% decline in African savanna elephants from 2007 and 2014. Forest elephants suffered a 65% decline between 2002 and 2013. Poaching is the main threat to African elephants today. Despite an international ban on ivory in 1989, conservationists say we entered a second poaching crisis in 2009 as many Asian economies have grown – thus increasing the demand for ivory. Nov 1, 2016