The monsoon season has arrived in India, bringing much-needed relief from the scorching heat. But along with the refreshing ...

It comes in one- or five-gallon buckets, tubes of caulk, tapes or even spray coatings. There are two main categories of roof sealants: water-based sealants and those that are solvent-based.

UC Riverside researchers say they have demonstrated an inexpensive roof coating that gobbles up smog ... with titanium dioxide-coated paving blocks reduced nitrogen oxide air pollution by up ...