New Research

How the ultra-wealthy use charitable giving to avoid taxes and exert influence — while ordinary taxpayers foot the bill.

It’s pretty hard to figure out donor-advised funds’ MOs. Our new analysis discerns sponsor priorities from their public websites.

By flying in private jets, America's wealthiest engage in an indefensible form of waste on a warming planet: Heir pollution.

Climate justice activists are taking a stand against the expansion of New England’s largest private jet port: Hanscom Field.