Global climate change and the energy crisis mean that alternatives to fossil fuels are urgently needed. Among the cleanest low-carbon fuels is hydrogen, which can react with oxygen to release energy, emitting nothing more harmful than water (H2O) as the product. However, most hydrogen on earth is already locked into H2O (or other molecules), and cannot be used for power.

Read more ...

Despite legislation prohibiting the use of ultraviolet (UV) indoor tanning facilities by minors, one in every five tanning salons in US states where such bans are in place stated over the phone that they would allow an underaged caller to do so. Many others provide inaccurate health information about indoor tanning, says Leah Ferrucci, of the Yale School of Public Health in the US. She led a studyin Springer’s journal Translational Behavioral Medicine.

Read more ...

There are many ways to make a living in a suitable climate but far fewer in a less suitable one. That may seem obvious for people living under various socio-economic stresses, but new research shows it also applies to the world’s plants – many of which are resorting to dramatic ‘last-stand’ strategies to survive in deteriorating environmental conditions.

Read more ...

Summer wildfires boost air pollution considerably more than previously believed.

Naturally burning timber and brush launch what are called fine particles into the air at a rate three times as high as levels noted in emissions inventories at the U.S. Environmental Protection Agency, according to a new study. The microscopic specks that form aerosols are a hazard to human health, particularly to the lungs and heart.

Read more ...

More Articles ...

Subcategories