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  • US climate actions must continue, despite setbacks

    US climate actions must continue, despite setbacks0

    After a year of the administration of US President Donald Trump cancelling various climate programmes — crafted over decades using world-class research — the country’s Environmental Protection Agency (EPA) has removed the foundation that underpins federal climate policies. On 12 February, the EPA rescinded the Clean Air Act’s ‘endangerment finding’. The act states that the

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  • How infighting led the Maya civilization to catastrophic collapse

    How infighting led the Maya civilization to catastrophic collapse0

    The Four Heavens: A New History of the Ancient Maya David Stuart Princeton Univ. Press (2026) Before the 1970s, ancient Maya history was impenetrable. The civilization’s grand ceremonial buildings and striking art, created in parts of Mesoamerica during the Classic Maya period (ad 150–900) had tantalized foreign visitors since the arrival of Spanish conquistadors in

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