A rise in global temperatures of four degree Celsius is likely to occur during the 21st century causing "devastating impacts" if greenhouse gas emissions continue rising at the current rate, according to a group of international scientists. In a special issue of the UK journal "Philosophical Transactions of the Royal Society A" -- which coincides with the start of the United Nations climate talks in Cancun, Mexico -- scientists argue that...
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Brazil has revolutionised its own farms. Can it do the same for others? by Piaui Cremaq
IN A remote corner of Bahia state, in north-eastern Brazil, a vast new farm is springing out of the dry bush. Thirty years ago eucalyptus and pine were planted in this part of the cerrado (Brazil’s savannah). Native shrubs later reclaimed some of it. Now every field tells the story of a transformation. Some have been cut to a litter of tree stumps and scrub; on others, charcoal-makers have moved...
More »Biodiversity challenges ahead by S Balaji
The world needs to act quickly to counter the erosion of species. The task is particularly important for India, one of the 12 mega-biodiversity centres. May 22 marked the International Day for Biological Diversity. It commemorates the adoption of the Convention on Biological Diversity (CBD) that day in 1992. As of December 2009, exactly 192 countries and the European Commission were signatories to it. This year has been declared the...
More »Climate threat worse than earlier feared
The latest UN environment report based on about 400 major peer-reviewed scientific studies over three years has warned that the threat of climate change could be much worse than predicted earlier. The UNEP Climate Change Science Compendium 2009 report warns that sea levels could rise by up to two metres by 2100 and five to ten times that over following centuries. (See salient features and links below) It says that the...
More »Hunger Overview
KEY TRENDS • As per the 2019 Global Hunger Index report, neighbouring countries such as China (GHI score: 6.5; GHI rank: 25), Sri Lanka (GHI score: 17.1; GHI rank: 66), Myanmar (GHI score: 19.8; GHI rank: 69), Nepal (GHI score: 20.8; GHI rank: 73), Bangladesh (GHI score: 25.8; GHI rank: 88) and Pakistan (GHI score: 28.5; GHI rank: 94) have outperformed India (GHI score: 30.3; GHI rank: 102) *13 • As per the 2018 Global Hunger Index report,...
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