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.

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.

Women should be the focus of efforts to bring access to modern energyto those who lack it, a new United Nations report has found, as bringing energy to women and girls helps lift communities out of poverty and improves health.

OXFORD, United Kingdom (AlertNet) – Water is increasingly becoming a scarce resource and shortages could drive conflict, hit food and energy production and threaten growth in renewable energy technology, experts warned at a water security conference on Monday.

And climate change – which appears to be bringing more extreme weather events such as droughts and floods – is likely to make the situation even more difficult, they said.