United Nations climate talks adopted a deal to inject at least $300 billion annually in humanity's fight against climate change, aimed at helping developing nations cope with the ravages of global warming in tense negotiations.

Developing countries had hoped rich countries would commit $1.3 trillion each year to help them deal with the effects of climate change and to speed up the development of renewable energy

In a late session at the United Nations climate talks, countries finally agreed on how rich nations can help poor ones in the face of climate change.