Carbon emissions must decrease quickly, according to the Intergovernmental Panel on Climate Change, if the world is to avoid “severe, widespread, and irreversible [climate] impacts.” But achieving such cuts depends in part on the availability of “key technologies,” and arguments abound against faith in technological solutions to the climate problem. Electricity grids may be ill equipped to accommodate renewable energy produced on a massive scale. Many technological innovations touted in the past have failed to achieve practical success. Even successful technologies will do little good if they mature too late to help avert climate disaster. Here, authors from India, the United States, and Bangladesh debate to what extent technological innovation can be relied on to address climate change –and which technologies show most potential to help the world come to terms with global warming.
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