Discover how the ability to pay principle influences taxation through progressive tax systems. Learn with examples how tax burdens are tailored to individual financial situations.

Explore 2026 federal tax brackets and understand how your income level and filing status determine your rates. Learn tips for reducing your taxes effectively.

Income tax — a tax on money made from jobs and other sources — is the largest revenue source for the US government. Although originally controversial, it has become a key principle of the US tax code.

Environmental justice concerns have been at the forefront in discussions of U.S. environmental policy. They have been central, in particular, to discussions of proposals for a nationwide carbon tax to ...

Re: “Oakland should enact progressive parcel tax” (Page A8, Nov. 23). Beth Weinberger’s proposed “progressive” parcel tax based on square footage would, in fact, be regressive, selectively ...