Abstract
Climate change continues to intensify. Last month, record-breaking high temperatures —above 40 °C—scorched the US Pacific Northwest and southwestern Canada. North America marked its hottest June, and Europe sweltered through its second-warmest June on record, according to the European Union–supported Copernicus Climate Change Service . As temperatures rise, talks sponsored by the United Nations aimed at curtailing this environmental crisis are restarting after pausing for the COVID-19 pandemic. Negotiators are now meeting virtually, resuming where their talks ended 18 months ago at a previous global climate conference, in Madrid. Their goal is to finish a set of rules for countries to follow as they fulfill pledges made under the 2015 Paris Agreement to control greenhouse gas emissions. Reducing these emissions will require innovations from the chemical sciences in materials, energy efficiency, batteries, renewable energy, and technologies to capture and sequester carbon dioxide . Negotiators hope to wrap up details in
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