Complexity and unsolved problems are at the very heart of the sustainability challenge, and at the very heart of M.S. Swaminathan's thinking and essays. In 1798, Thomas Robert Malthus offered the piercing insight that geometric population growth would inevitably outstrip food production, leaving society destitute and hungry. Since that time, our optimism of beating the “Malthusian curse” has waxed and waned. Few people in modern history have done more to help...

For your sake, and earth’s sake, have fish instead of mutton. If you are truly climate-friendly, go bananas. According to a study that analysed greenhouse gas emissions associated with a set of common Indian food items, fish is a superior alternative to mutton, not just for humans but also for the planet’s health, while bananas are the most climate-friendly. The study, by scientists at the Indian Agricultural Research Institute (IARI), New Delhi,...

Pickers say waste-to-energy incineration plants increase emissions and take away their only means of survival. The waste-pickers who scour the world's rubbish dumps and daily recycle thousands of tonnes of metal, paper and plastics are up in arms against the U.N., which they claim is forcing them out of work and increasing climate change emissions. Their complaint, heard on Wednesday in Bonn where the U.N. global climate change talks have resumed. The...

Indian Ocean sea levels are rising unevenly and threatening the residents in some densely populated coastal areas of India and Bangladesh, besides the island nations of Maldives and Sri Lanka, a new study has said. Sea-level rise is particularly high along the coastlines of the Bay of Bengal and the Arabian Sea, as well as the islands of Sri Lanka, Sumatra and Java, says the study carried out jointly by the...

A leading Dutch environment agency reported on Monday that the seminal 2007 UN scientific report on climate change is too generalized and has even more errors than discovered so far -- including one contributed by the agency itself. But the review by the Netherlands Environmental Assessment Agency claimed the errors had no effect on the fundamental conclusion by UN panel of scientists: that global warming caused by humans already is...