气候变化

This year has been marked by upheaval on a global scale — and many of us are wondering: What will happen next? Satellite archaeologist and TED Prize winner Sarah Parcak shares three examples from the ancient past that offer lessons for today.

While some world leaders resist global cooperation, city leaders are working across borders to tackle big issues like global warming, immigration and terrorism, says urban expert Robert Muggah.

加拿大摄影师艾德·伯廷斯基以其大型项目著称，长期关注人类对自然世界的影响。在这组图集及2014年温哥华TED演讲中，他介绍了最新项目《水印》，聚焦人类与水之间复杂的关系——我们如何使用水、滥用水，以及这一切如何塑造了我们的世界。

Not every conversation with a climate denier has to lead to raised voices and hurt feelings. Here’s how to do it constructively.

Why learn about methane? Because it could be our chance to make a real dent in global warming, says environmentalist Fred Krupp.

气候科学家加文·施密特通过4段动画展示气候建模的魅力。气候系统涉及大气、海洋、降水等无数相互作用的因素，只有将所有数据综合在一起构建完整模型，才能真正理解地球气候的运作规律，并预测未来的变化趋势。

It’s that simple. Making sure that girls around the world can go to school helps them and their families, of course, but it also benefits the entire planet.

本文涵盖三则趣闻：一辆折叠后小如雨伞的”Sadabike”原型自行车；斯坦福大学煤炭撤资举措引发的气候变化应对策略争议；以及默克公司与多方合作消除河盲症的感人故事，展现了跨界协作在公共卫生领域的非凡力量。

与人争论气候变化问题固然诱人，但这场引人深思的对话表明，有时候这场争辩根本不值得浪费时间。气候专家薇姬·阿罗约与风险分析师丹·卡汉就此展开讨论，探索如何更有效地沟通气候议题。

The Arctic is warming at twice the rate of the global average, so it’s essential for scientists to study this climate now so they can better understand our warming world. Photographer Esther Horvath braved bone-chilling temperatures to capture these beautiful scenes of researchers at work.