The Environmental Protection Agency announced earlier this month that it would stop making polluting companies report their greenhouse gas emissions to it, eliminating a crucial tool the US uses to track emissions and form climate policy. Climate NGOs say their work could help plug some of the data gap, but they and other experts fear the EPA’s work can’t be fully matched. In March, the EPA announced it would be reconsidering the GHGRP program entirely. In September, the agency trotted out a proposed rule to eliminate reporting obligations from sources ranging from power plants to oil and gas refineries to chemical facilities—all major sources of greenhouse gas emissions. This data is also the backbone of much of international US climate policy: collection of greenhouse gas emissions data is mandated by the UN Framework Convention on Climate Change, which undergirds the Paris Agreement.