Humanity’s current voracious consumption of resources cannot be sustained, the United Nations Environment Programme (UNEP) cautioned in a new report today, warning that the world was already running out of cheap and sources of some essential materials such as oil, copper and gold. According to the report by UNEP’s International Resource Panel, by 2050, human beings could devour an estimated 140 billion tons of minerals, ores, fossil fuels and biomass per...

Renewable energy sources such as solar power, wind, biomass and hydropower could meet nearly 80 per cent of the world’s energy supplies by 2050 if governments pursue policies that harness their potential, a United Nations-backed report released today says. The findings of more than 120 researchers working with the Intergovernmental Panel on Climate Change (IPCC) indicate that if the path of renewable source is fully followed, greenhouse gas emissions could stay...

A LEAFY VILLAGE in Kerala, Pathanpara, never found access to India’s electricity grid. That is why for the last several years, this village has been generating its own electricity. Raju, a dhoti-clad cashew nut farmer, operates Pathanpara’s five kilowatt (KW) micro hydropower plant. He lives in the village and earns a salary of Rs 2,250, paid by the People’s Electricity Committee (PEC). The power generated is shared equally by the village,...

India should look at renewable energy to meet its power needs, Environment Minister Jairam Ramesh has said. In a letter to Prime Minister Manmohan Singh last week, Ramesh drew his attention to a World Bank report on renewable energy in India. The report suggests that renewable energy is an important part of the solution to India's power shortage. The letter gains significance as the coal and power ministries have cited growth...

India's rural innovators have proved that ordinary people are indeed capable of extraordinary inventions. Despite many constraints -- lack of education and severe cash crunch -- most of them have succeeded in using technology cost-effectively to build ingenious products. A washing-cum-exercise machine, hand operated water lifting device, portable smokeless stove, automatic food making machine, solar mosquito killer, shock proof converter, a floating toilet soap are few of the products on display...