Climate and pollution

Residents suffer as drought rages on

For thirsty Qwaqwa residents in the Free State, their next drink of water is more likely to come on wheels instead of from the tap as reservoir water levels run low.

Less rain for warmer earth

Climate scientists said they found evidence to back predictions for a future with lower average rainfall.

Sunlight can make fuel

Chemists at the University of California, Davis, have engineered blue-green algae to grow chemical precursors for fuels and plastics.

Climate change could breed new virus

It's possible that a serious mosquito-borne virus with no known vaccine or treatment could migrate from Central Africa and Southeast Asia to the United States within a year.

Sun in a jar

From security lighting to glowing portable “sun jars”, solar-powered lights have come of age as a practical, aesthetic addition to the 21st century home.

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Live healthier

Exercise benefits for seniors »

Working out in the concrete jungle Even a little exercise may help prevent dementia Here’s an unexpected way to boost your memory: running

Seniors who exercise recover more quickly from injury or illness

When sedentary older adults got into an exercise routine, it curbed their risk of suffering a disabling injury or illness and helped them recover if anything did happen to them.