PETTAH, India — As he approaches his first tree of the day, S. Mohan presses his calloused palms together and bows his head. “Oh God, I am climbing the coconut tree,” he whispers. “Protect me from harm.” With no safety gear beyond a strap of palm frond tied around his ankles, he launches himself onto the tree’s arcing trunk, which rises dozens of feet into the air. With a swift...

In the 1990s, Ahmed Khan’s company in Bangalore, India, churned out hundreds of thousands of plastic bags and other packaging material each month that eventually ended up as garbage. Now, he is in the business of scouring the city’s landfills and trash cans to reclaim some of that waste and pave the way to a more environmentally friendly enterprise. Mr. Khan, 60, is trying to solve two of the biggest...

One billion hungry people, the largest such cluster in history, are depending on another one billion to donate small amounts of cash to find food. The World Food Programme, facing a funding shortfall with donor governments hit by the financial crisis, has issued its first direct appeal to one billion individuals to stump up what they can to help others beat hunger. Josette Sheeran, head of the UN food aid...

A seminar titled Food Security and Sustainability in India, organized at Amritsar between 7 and 8 November by the GAD Institute of Development Studies, a NGO, at Guru Nanak Dev University, Amritsar, brought together government officials, scientists, academicians and NGOs so as to generate discussions and debates surrounding climate change and global warming and their impact on agriculture. The Copenhagen Summit on Climate Change is going to take place between...

For a man who will inherit vast tracts of fertile farmland in Punjab, India's grain bowl, Jaswinder Singh made what seemed to him a logical career move -- he took a job with a telecoms company in New Delhi. "I can't go back to the village after an M.B.A. Delhi has more money, better quality of life. The job is more satisfying, and you don't depend on the weather or...