The Sierra Club, with over 700,000 members nationwide, is the oldest grassroots environmental organization in the United States. It sees its purpose as preservation, protection, and enhancement of the natural environment.
Article IV, Section 4. This section is called the Guarantee Clause, because by its terms the federal government makes certain guarantees to the states. One of theseâprotection from foreign invasionâcontinued Congress's prior obligation under the Articles of Confederation.
If the right at issue bears on the vitality of the nation as a Union (whatever exactly that means, it is a privilege or immunity within the meaning of Article IV, section 2. But this does not mean it is covered by the Privileges or Immunities Clause of the 14th Amendment.