In the Indian province of Andhra Pradesh, ditching chemical pesticides and fertilisers in favour of natural farming has led to big increases in output and income for farmers. So what's stopping nationwide adoption of soil-friendly natural farming, writes Sourajit Aiyer.
As extreme weather events intensify, so too will the political siege on the fossil fuel industry, and rightfully so. But Daniel Litvin warns that an unthinking backlash on Big Oil could have perverse effects for the global energy transition.
Each year more than 300 tonnes of processed gold are dumped in landfills. What if we could mine landfills for gold and other precious metals, ask researchers from Keele University.
Biogas could make a significant contribution to Australia’s Renewable Energy Target, says University of Southern Queensland associate professor Bernadette McCabe.