World

Global warming could unleash carbon from tropical soils

Humble dirt could pack an unexpected climate punch, according to a new study published Wednesday in the journal Nature. An experiment that heated soil under a tropical rainforest to temperatures expected in the coming decades found that warmer soil released 55 percent more planet-warming carbon dioxide than near unheated areas. …

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Thai students protest the military

The army’s grip on society goes back generations in Thailand, where coups are almost as likely as elections to shape politics. The school capsule rule, for example, was introduced in 1972, when the country was led by an American-backed field marshal. “In the intent of the military government, the ideal …

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