Water security is one of the most critical and sensitive issues shaping Central Asia’s present and future, News.Az reports.

Securing reliable water supplies has long been a challenge across Africa, and the situation is expected to worsen as droughts grow more frequent and severe.

A new study published in the journal Nature Cities shows that pollution from construction is much higher than earlier estimates.

RIO DE JANEIRO, Jan 19 (Reuters) - Michele Campos feels like crying every summer when temperatures in Rio de Janeiro climb above 40°C (100°F), heating up the cement that covers every corner of the favela of Chapeu Mangueira where she lives and making life unbearable in her windowless bedroom.