Is there anything more relaxing than spending time in the summer sun? Scientists now believe that exposure to natural sunlight has benefits beyond fighting against bacteria and common illnesses. Spending time exposed to sunlight, although not in dangerous levels, is now believed to enhance your vision. In a new study called

Exposure to ultraviolet (UV) radiation in the morning may be less harmful to your skin than tanning in the afternoon, new research suggests. Mice exposed to UV radiation shortly after they awoke had fewer skin tumors than those exposed to the same level of radiation during other times of day, the

Research supports daylighting’s positive effect on building performance and human health. (By Kevin Van Den Wymelenberg)

BY ANDREA THOMPSON, CLIMATE CENTRAL

The past 11 months have been the hottest such months in 135 years of recordkeeping, a streak that has itself set a record and puts in clear terms just how much the planet has warmed due to the buildup of greenhouse gases in

The International Energy Agency on Monday warned that temperatures could jump by as much as 4.3 degrees Celsius by the end of the century and urged countries to improve their pledges on reducing emissions.