RIO DE JANEIRO, (Reuters) - Some large economies show significantly lower growth when natural assets such as forests and water are factored into growth indicators, an index showed on Sunday, a few days before an international sustainability summit starts in Rio de Janeiro.

The Inclusive Wealth Index was unveiled by the United Nations University's International Human Dimensions Programme on Global Environmental Change (UNU-IHDP) and the United Nations Environment Programme (UNEP).

Today, renewable energy sources generate 12 percent of electricity in the U.S. But wind, wave, sunshine and others represent more than 93 percent of the energy the country could be producing, according to the Energy Information Administration of the U.S. Department of Energy.

NEW DELHI: A historic resolution by the World Health Organization (WHO) will declare polio a global health emergency in the upcoming World Health Assembly (WHA) to be held from May 21 to 26.

Even as the world celebrates India's success in stopping active polio virus circulation, the threat of importation is worrying countries across the world.

Ministers attending clean energy summit in London to be gravely warned about continuing global addiction to fossil fuels

Experiments may dramatically underestimate how plants will respond to climate change in the future. That's the conclusion of an analysis of 50 plant studies on four continents, published this week in an advance online issue of the journal Nature, which found that shifts in the timing of flowering and leafing in plants due to global warming appear to be much greater than estimated by warming experiments.