Is the jet stream changing?

Heavy precipitation, wind storms, heat waves—when severe weather events such as these occur they are frequently attributed to a wavy jet stream. The jet stream is a powerful air current in the upper troposphere that balances ...

Central America braces for Tropical Storm Pilar

Central American nations braced Monday for Tropical Storm Pilar, with authorities in El Salvador reporting two deaths linked to heavy rains and wind preceding the arrival of the tempest.

Middle East know-how can help feed drier, hotter world

The Middle East's expertise in handling heat could be of benefit worldwide, writes Aly Abousabaa, director general of the International Center for Agricultural Research in the Dry Areas (ICARDA) and CGIAR's regional director ...

Can AI nip tree disease in the bud?

Global trade, tourism and other forms of human movement are accelerating the spread of tree and plant pathogens between continents. Dutch elm disease, first seen in Europe in 1910, was detected in Canada just four decades ...

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