During heat waves, urban trees can increase ground-level ozone

Planting trees is a popular strategy to help make cities "greener," both literally and figuratively. But scientists have found a counterintuitive effect of urban vegetation: During heat waves, it can increase air pollution ...

Hot tubs and swimming pools are not as clean as you may think

Whether water is hot in a tub or cold in a pool, it can bring immediate relief from stress or summer heat. But hot tubs and swimming pools are not always as clean as you might think, even when disinfected. In a new study ...

California cuts water use beyond governor's target

Californians cut water use by more than the 25 percent demanded by Governor Jerry Brown in June, the first month that new emergency rules came into force, officials said Thursday.

Australia heatwave part of global trend: IPCC chief

Australia's extreme summer heatwave, which caused devastating bushfires and saw temperature forecasts go off the scale, is part of a global warming trend, the UN's climate panel chief said Tuesday.

Research links extreme summer heat events to global warming

(Phys.org) -- A new statistical analysis by NASA scientists has found that Earth's land areas have become much more likely to experience an extreme summer heat wave than they were in the middle of the 20th century. The research ...

Life in Utah Valley 1,000 years ago

(Phys.org) -- Through wind, dust and summer heat, a crew of BYU students unearthed a glimpse of what life was like in Utah Valley 1,000 years ago.

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