Climate change mitigation climate change are more damaging in poor nations, where infrastructures are weak and few social services exist. The Commitment to Development Index is one attempt to analyze rich country policies taken to reduce their disproportionate use of the global commons. Countries do well if their greenhouse gas emissions are falling, if their gas taxes are high, if they do not subsidize the fishing industry, if they have a low fossil fuel rate per capita, and if they control imports of illegally cut tropical timber. The main current international agreement on combating climate change is the Kyoto Protocol. On the 11th
Climate change in New York City five companies (BP, Chevron, ConocoPhillips, Exxon Mobil, and Royal Dutch Shell) most responsible for climate change, and divesting the City's pension funds from fossil fuels, the first major US city to do so. Mayor Bill de Blasio stated in support of the decision, "As climate change continues to worsen, it's up to the fossil fuel companies whose greed put us in this position to shoulder the costs of making New York City safer and more resilient." The OneNYC program as of 2018 made progress towards renewable energy reliance; for instance, solar installations have increased six-fold since 2014, $500 million was