"I know the argument made by some that it is unfair on part of countries like the United States to ask developing countries and emerging economies like India to reduce your dependence on same fossil fuel that powered our growth for more than a century," he said in his Town Hall address here.
Obama said being global partners means confronting global challenge of climate change even as he cautioned that with rising seas, melting Himalayan glaciers, more unpredictable monsoons, cyclones getting stronger, few countries will be more affected by a warmer planet than India.
"But here is the truth even if countries like the United States curb our emissions, if countries that are growing rapidly like India with soaring energy needs don't also embrace cleaner fuels, then we don't stand a chance against climate change," the President said.
He said he welcomes India's "ambitious targets" for generating more clean energy.
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"We will continue to help you deal with impacts of climate change because you shouldn't have to bear that burden alone. As we keep working for a strong global agreement on climate change its young people like you who have to speak up so we can protect this planet for your generations," he said.
"That's why it's urgent that we begin this work right now," he said.
The US President said with the breakthrough achieved during this visit, the two countries can finally move to fully implementing the civil nuclear agreement which would mean more reliable electricity for Indians and cleaner energy that helps fight climate change.
He said as more energy is delivered, countries should tap in more cleaner renewable energy like solar and wind.