India making efforts to reduce carbon emission intensity: Manmohan Singh

India on Friday said it is making all efforts to reduce the country's carbon emissions intensity of GDP by 20 to 25% between 2005 and 2020 as part of proactive actions to combat global warming.

"In India, our efforts over the last two decades have yielded positive results. Over the period 1994-2007, our emissions-GDP intensity, excluding agriculture, has declined nearly 25%," Prime Minister Manmohan Singh said in his address during the plenary session of the Rio+20 summit here.

Singh said India is making all efforts to reduce the carbon emission intensity by 20-25% between 2005 and 2020.

"Looking ahead, we have set a target to further reduce the emissions intensity of GDP by 20-25% between 2005 and 2020," he said at the summit, which is officially known as the United Nations Conference on Sustainable Development.

Singh said that one of the key challenges that demands urgent global action is the worrying depletion of bio -diversity across our planet.

Prime Minister said India will be hosting a key conference on biodiversity in October and sought international cooperation to make it a success.

"The Eleventh Conference of Parties on Convention on Biodiversity is being hosted by India in October this year at Hyderabad. We look forward to working with the global community to make it a success," he added.