Of all of the things there are to worry about in the Trump era, climate change is at the top of the list. But the failure to act effectively on climate long predates Trump. Anne Peterman, executive director of Global Justice Ecology Project, argues that by promoting market-based solutions such as carbon trading, a series of American presidential administrations have not only failed to address climate change, but have also helped enrich corporations at the expense of poor and indigenous communities worldwide. What we really need in order to solve the climate crisis is a collective effort to transform society. But how might this happen, and what would a truly sustainable world look like?