'Global warming may cost world economy $2 tn by 2030'
Global warming may cost the world economy over $2 trillion by 2030, due to decreasing intensity, speed and duration of work, a UN research claims. Around 43 countries, including China and India, will see their economies decline because of rising temperatures, a researcher said. India's expenditure due to climate change will be around $450 billion by 2030, the research claimed.