Heatwave death threat soars for elderly, city dwellers

More than 150 million vulnerable people worldwide were exposed to potentially life-threatening heatwaves last year, scientists said Thursday, warning that climate change posed an unprecedented global health risk.

Escape from the heat island

Dangerously high temperatures, especially in cities, often cause conditions such as heat stroke and heat exhaustion or exacerbate preexisting medical conditions such as cardiovascular disease. Between 1999 and 2010, at least ...

Urban heat island effects depend on a city's layout

The arrangement of a city's streets and buildings plays a crucial role in the local urban heat island effect, which causes cities to be hotter than their surroundings, researchers have found. The new finding could provide ...

How urban heat affects bee populations

North Carolina is home to 500 species of wild bees, yet only a subset of these are common in cities and suburbs. People encourage wild bees by planting flowers and creating pollinator gardens to provide the pollen and nectar ...

Urban trees are growing faster worldwide

Trees in metropolitan areas have been growing faster than trees in rural areas worldwide since the 1960s. This has been confirmed for the first time by a study on the impact of the urban heat island effect on tree growth ...

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