Exhausting Options: Assessing SIP-Conformity Interactions

Contrails, Aviation, and Climate Change

This issue brief explores how contrails are formed from the combustion of jet fuel, how contrails effect the climate, and what can be done to reduce them.

In a Sea of Critical Minerals Supply, Can US Policy Create an Island?

As US policymakers work to improve the domestic critical mineral supply chain, three examples show that success may be driven by projects that look financially promising, anticipate environmental and community concerns, and invest in local workforces.

Resource Nationalism and the Resilience of Critical Mineral Supply Chains

This report addresses challenges for the United States in securing supply chains for critical minerals, focusing especially on those most important for batteries.

If/Then: Repealing Vehicle Greenhouse Gas Standards Would Hurt Households Rather than Help Them

If the US Environmental Protection Agency enacts its recent proposal, then the elimination of vehicle subsidies and regulations would affect the vehicles we buy, vehicle prices, manufacturer profits, how much we spend on fuel, and the very air we breathe.