Question: Which Supreme Court case dealt with the Internet, Massachusetts v. Environmental Protection Agency or Reno v. American Civil Liberties Union?

Context paragraphs:
Sackett v. Environmental Protection Agency: Sackett v. United States Environmental Protection Agency, 566 U.S. ___ (2012) , is a United States Supreme Court case in which the Court held that the Clean Water Act is subject to the Administrative Procedure Act, which requires an appeals process for any ruling by a federal agency.  The Court ruled that the availability of immediate judicial review of compliance orders issued by the United States Environmental Protection Agency is required.

R v Sinclair: R v Sinclair 2010 35 is a leading case from the Supreme Court of Canada on a detainee's right to counsel under section 10(b) of the "Canadian Charter of Rights and Freedoms.  Specifically, the case addresses two issues regarding the police's implementation duty under the right to counsel: 1) does a detainee have the right to have a lawyer present during police questioning, and 2) does a detainee have the right to make multiple phone calls to their lawyer.  A majority of the Court answered the first question in the negative, and answered the second question in the negative, subject to a change of circumstances.  The parties to the case were the appellant, Sinclair, the respondent, the Attorney General of British Columbia, and the following interveners: the Attorney General of Ontario, the Director of Public Prosecutions of Canada, the Criminal Lawyers' Association of Ontario, the British Columbia Civil Liberties Association, and the Canadian Civil Liberties Association.  The case was part of a trilogy of cases released by the Supreme Court, along with "R v Willier" and "R v McCrimmon".

Massachusetts v. Environmental Protection Agency: Massachusetts v. Environmental Protection Agency, 549 U.S. 497 (2007), is a 5-4 U.S. Supreme Court case in which twelve states and several cities of the United States brought suit against the Environmental Protection Agency (EPA) to force that federal agency to regulate carbon dioxide and other greenhouse gases (GHGs) as pollutants.

ACLU v. Clapper: American Civil Liberties Union v. James Clapper, No. 13-3994 (S.D. New York December 28, 2013), was a lawsuit by the civil liberties promoting nonprofit organization the American Civil Liberties Union (ACLU) and its affiliate, the New York Civil Liberties Union, against the United States federal government that challenged the legality of the National Security Agency (NSA)'s bulk phone metadata collection program.  On December 27, 2013, the court dismissed the case, finding that metadata collection did not violate the Fourth Amendment.  On January 2, 2014, the ACLU appealed the ruling to the United States Court of Appeals for the Second Circuit.  On May 7, 2015, the appeals court ruled that Section 215 of the Patriot Act did not authorize the bulk collection of metadata, which judge Gerard E. Lynch called a "staggering" amount of information.

American Civil Liberties Union of New Jersey: The American Civil Liberties Union of New Jersey (ACLU-NJ) is a nonpartisan, not-for-profit civil rights organization in Newark, New Jersey, and an affiliate of the national American Civil Liberties Union.  According to the ACLU-NJ's stated mission, the ACLU-NJ operates through litigation on behalf of individuals, lobbying in state and local legislatures, and community education.

American Civil Liberties Union v. Ashcroft: American Civil Liberties Union v. Ashcroft (filed April 9, 2004 in the United States) is a lawsuit filed on behalf of a formerly unknown Internet Service Provider (ISP) owner by the American Civil Liberties Union against the U.S. federal government.

Reno v. American Civil Liberties Union: Reno v. American Civil Liberties Union, 521 U.S. 844 (1997) , is a United States Supreme Court case in which the Court unanimously ruled that anti-indecency provisions of the 1996 Communications Decency Act (CDA) violated First Amendment's guarantee of freedom of speech.  Two Justices concurred in part and dissented in part to the decision.  This was the first major Supreme Court ruling on the regulation of materials distributed via the Internet.

Michigan v. EPA: Michigan v. Environmental Protection Agency, 576 U.S. ___ (2015) , was a landmark United States Supreme Court case in which the Court analyzed whether the Environmental Protection Agency must consider costs when deciding to regulate, rather than later in the process of issuing the regulation.  Writing for a 5–4 majority, Justice Antonin Scalia held that the EPA must consider costs and that it interpreted the Clean Air Act unreasonably when it determined that it did not need to consider costs when it issued a "finding" that it was "necessary and appropriate" to regulate.  Critics of the Environmental Protection Agency praised the Court's decision, while other commentators criticized Justice Scalia's decision to ignore health impacts in his opinion.  Some commentators suggested that the decision may derail President Barack Obama's climate change agenda entirely.

ACLU of Massachusetts: The American Civil Liberties Union of Massachusetts (ACLUM) (established 1920) is a civil rights organization in the United States, and it is the Massachusetts affiliate of the American Civil Liberties Union.

Ashcroft v. American Civil Liberties Union: Ashcroft v. American Civil Liberties Union, 535 U.S. 564 (2002) (also called "Ashcroft v. ACLU"), was a 2002 United States Supreme Court case involving the American Civil Liberties Union and the United States government regarding the Child Online Protection Act (COPA).  The unconstitutionality of the law was ultimately upheld by the United States Court of Appeals for the Third Circuit, while earlier injunctions against the law by that same court were at first dismissed by but later upheld by the Supreme Court. " Ashcroft v. Free Speech Coalition" (2002) dealt with a similar law, the Child Pornography Prevention Act of 1996 (CPPA).

Supporting paragraphs: Massachusetts v. Environmental Protection Agency Reno v. American Civil Liberties Union
Answer: Reno v. American Civil Liberties Union