(Reuters) -The U.S. Supreme Court's current term includes cases involving gender-affirming medical care for transgender minors, birthright citizenship, guns, job discrimination, religious rights, online pornography, preventive healthcare, Planned Parenthood funding, federal regulatory powers on vape products and nuclear waste storage, voting rights and more.

Here is a look at some of the cases already argued and decided and still to be decided by the justices. The court also has considered other cases involving President Donald Trump on an emergency basis without hearing arguments. 

TRANSGENDER RIGHTS

The justices on June 18 backed a Republican-backed ban in Tennessee on gender-affirming medical care for transgender minors in a setback for transgender rights. The court decided that the ban does not violate the U.S. Constitution's 14th Amendment promise of equal protection, as challengers to the law had argued. The ruling affirmed a lower court's decision upholding Tennessee's law barring medical treatments such as puberty blockers and hormones for people under age 18 experiencing gender dysphoria. That refers to the significant distress that can result from incongruity between a person's gender identity and the sex they were assigned at birth.

WORKPLACE DISCRIMINATION

The court on June 5 made it easier for people from majority backgrounds such as white or straight individuals to pursue claims alleging workplace "reverse" discrimination, reviving an Ohio woman's lawsuit claiming she was illegally denied a promotion and demoted because she is heterosexual. The justices threw out a lower court's decision rejecting a civil rights lawsuit by the plaintiff, Marlean Ames, against her employer, Ohio's Department of Youth Services. Ames said she had a gay supervisor when she was passed over for a promotion in favor of a gay woman and demoted, with a pay cut, in favor of a gay man. The Supreme Court decided that federal law and its own precedents make clear that there can be no distinctions between majority-group and minority-group plaintiffs in discrimination cases.

BIRTHRIGHT CITIZENSHIP

The justices on May 15 heard arguments in Trump's attempt to broadly enforce his executive order to restrict birthright citizenship, a move that would affect thousands of babies born each year as he seeks a major shift in how the U.S. Constitution has long been understood. The court's conservative justices seemed willing to limit the ability of lower courts to issue nationwide, or "universal," injunctions, as federal judges in Maryland, Washington and Massachusetts did to block Trump's directive. Those judges found that Trump's order likely violates the Constitution's 14th Amendment citizenship language. Trump directed federal agencies to refuse to recognize the citizenship of U.S.-born children who do not have at least one parent who is an American citizen or lawful permanent resident, also known as a "green card" holder.

RELIGIOUS CHARTER SCHOOL

The court on May 22 blocked a bid led by two Catholic dioceses to establish in Oklahoma the first taxpayer-funded religious charter school in the United States in a major case involving religious rights in American education. The justices left intact a lower court's decision that blocked the establishment of St. Isidore of Seville Catholic Virtual School. The ruling was 4-4, with Justice Amy Coney Barrett recusing herself from the case. Oklahoma's top court found that the proposed school would violate the U.S. Constitution's First Amendment limits on government involvement in religion. Set up as alternatives to traditional public schools, charter schools typically operate under private management and often feature small class sizes, innovative teaching styles or a particular academic focus. Charter schools are considered public schools under Oklahoma law and draw funding from the state government.

'GHOST GUNS'

The justices on March 26 upheld a federal regulation targeting largely untraceable "ghost guns" imposed by Democratic former President Joe Biden's administration in a crackdown on firearms whose use has proliferated in crimes nationwide. The 7-2 ruling overturned a lower court's decision that the U.S. Bureau of Alcohol, Tobacco, Firearms and Explosives had exceeded its authority in issuing the 2022 rule targeting parts and kits for ghost guns. The court found that the regulation was consistent with a 1968 federal law called the Gun Control Act.

MEXICO GUNS LAWSUIT

The court on June 5 spared two American gun companies from a lawsuit by Mexico's government accusing them of aiding illegal firearms trafficking to drug cartels and fueling gun violence in the southern neighbor of the United States. The justices overturned a lower court's ruling that had allowed the lawsuit to proceed against firearms maker Smith & Wesson and distributor Interstate Arms. The lower court had found that Mexico plausibly alleged that the companies aided and abetted illegal gun sales, harming its government.

RELIGIOUS TAX EXEMPTION

The justices on June 5 endorsed a bid by an arm of a Catholic diocese in Wisconsin for a religious exemption from the state's unemployment insurance tax in the latest ruling in which they took an expansive view of religious rights. They overturned a lower court's decision that had rejected the tax exemption bid by the Catholic Charities Bureau - a nonprofit corporation operating as the social ministry arm of the Catholic diocese in the city of Superior - and four entities the bureau oversees. The justices concluded that the lower court's interpretation of the state's tax exemption amounted to religious discrimination by treating religious denominations unequally.

ONLINE PORNOGRAPHY

The justices heard arguments on January 15 over whether a Texas law that requires pornographic websites to verify the age of users in an effort to restrict access to minors violates the First Amendment protections against government infringement of speech. The justices expressed worries over the availability of online pornography but also voiced concern over burdens imposed on adults to view constitutionally protected material. A trade group for the adult entertainment industry appealed a lower court's decision upholding the Republican-led state's age-verification mandate. A ruling is expected by the end of June.

LGBT SCHOOL BOOKS

The court appeared inclined to rule in favor of Christian and Muslim parents in Maryland seeking to keep their elementary school children out of certain classes when storybooks with LGBT characters are read. The justices heard arguments on April 22 in an appeal by parents with children in public schools in Montgomery County after lower courts declined to order the local school district to let children opt out when these books are read. The parents contend that the school board's policy of prohibiting opt-outs violates the First Amendment protections for free exercise of religion. A ruling is expected by the end of June.

OBAMACARE PREVENTIVE CARE MANDATE

The court heard arguments on April 21 over the legality of a provision of the Obamacare law, formally called the Affordable Care Act, that helps ensure that health insurers cover preventive care such as cancer screenings at no cost to patients. A lower court determined that the U.S. Preventive Services Task Force, which under Obamacare has a major hand in choosing what services will be covered, is composed of members who were not validly appointed under the Constitution. Its 16 members are appointed by the U.S. secretary of health and human services without Senate confirmation. A ruling is expected by the end of June.

PLANNED PARENTHOOD FUNDING

The court heard arguments on April 2 in South Carolina's bid to cut off public funding to Planned Parenthood in a case that could bolster efforts by Republican-led states to deprive the reproductive healthcare and abortion provider of public money. The court's conservative justices appeared sympathetic to South Carolina's stance. A lower court barred the Republican-governed state from terminating funding to Planned Parenthood's regional affiliate under the Medicaid health insurance program. A ruling is expected by the end of June.

FLAVORED VAPE PRODUCTS

The court on April 2 largely backed the U.S. Food and Drug Administration's refusal to let two e-cigarette companies sell flavored vape products that regulators consider a health risk to youths. The justices threw out a lower court's decision that the FDA had failed to follow proper legal procedures under a federal law called the Administrative Procedure Act when it rejected the applications by the companies, Triton Distribution and Vapetasia, to sell these nicotine-containing products.

EPA AUTHORITY

The court dealt a blow to the Environmental Protection Agency in a 5-4 ruling on March 4 involving a wastewater treatment facility owned by the city of San Francisco that could make it harder for regulators to police water pollution. It ruled that the EPA exceeded its authority under an anti-pollution law by including vague restrictions in a permit issued for the facility, which empties into the Pacific Ocean. The court has limited the EPA's reach in recent years as part of a series of rulings curbing the power federal regulatory agencies.

TAILPIPE EMISSIONS

The justices on June 20 sided with fuel producers that had opposed California's standards for vehicle emissions and electric cars under a federal air pollution law, agreeing that their legal challenge to the mandates should not have been dismissed. They overturned a lower court's decision to throw out the lawsuit by a Valero Energy subsidiary and fuel industry groups. The lower court had concluded that the plaintiffs lacked the required legal standing to challenge a 2022 U.S. Environmental Protection Agency decision to let California set its own regulations. The dispute centered on an exception granted to California during Biden's administration to national vehicle emission standards set by the agency under the Clean Air Act anti-pollution law.

NUCLEAR WASTE STORAGE

The court on June 18 threw out a legal challenge by the state of Texas and oil industry interests to the Nuclear Regulatory Commission's licensing of certain nuclear waste storage facilities. It overturned a lower court's decision that had invalidated a license awarded by the NRC to operate an off-site nuclear waste storage facility in western Texas. The NRC is the federal agency that regulates nuclear energy in the United States.

UTAH RAILWAY

The court on May 29 handed a setback to environmentalists by allowing federal agencies to limit the scope of their review of the environmental impact of projects they regulate, as the court bolstered a Utah railway project intended to transport crude oil. The justices overturned a lower court's decision that had halted the project and had faulted an environmental impact statement issued by a federal agency called the Surface Transportation Board in approving the railway as too limited in scope. The project was challenged by environmentalists and a Colorado county.

TELECOMMUNICATIONS SERVICES FUND

The justices appeared sympathetic to the Federal Communications Commission's defense of the mechanism it uses to fund a multi-billion dollar effort to expand phone and broadband internet access to low-income and rural Americans and other beneficiaries. The court heard arguments on March 26 in an appeal by the FCC and a coalition of interest groups and telecommunications firms of a lower court's decision that found Congress violated the Constitution's vesting of legislative authority in Congress. A ruling is expected by the end of June.

LOUISIANA ELECTORAL MAP

The justices heard arguments on March 24 in a bid by Louisiana officials and civil rights groups to preserve an electoral map that raised the number of Black-majority congressional districts in the state in a legal challenge by a group of voters who called themselves "non-African American." A panel of three federal judges found that the map laying out Louisiana's six U.S. House of Representatives districts - with two Black-majority districts, up from one previously - likely violated the Constitution's promise of equal protection. A ruling is expected by the end of June.

LAWSUITS AGAINST PALESTINIAN AUTHORITIES

The court on June 20 upheld a statute passed by Congress to facilitate lawsuits against Palestinian authorities by Americans killed or injured in attacks abroad as plaintiffs pursue monetary damages for violence years ago in Israel and the West Bank. The ruling overturned a lower court's decision that the 2019 law violated the rights of the Palestinian Authority and Palestine Liberation Organization to due process under the U.S. Constitution. The U.S. government and a group of American victims and their families had appealed the lower court's decision that struck down a provision of the law.

DEATH PENALTY CASE

The court on February 25 threw out Oklahoma death row inmate Richard Glossip's conviction for a 1997 murder-for-hire plot and granted him a new trial. The justices in a 5-3 ruling concluded that prosecutors violated their constitutional duty to correct false testimony by their star witness. They reversed a lower court's decision that had upheld Glossip's conviction and had allowed his planned execution to move forward despite his claim that prosecutors wrongly withheld evidence that could help his defense.

U.S. TIKTOK BAN

The justices on January 17 upheld a law banning TikTok in the United States on national security grounds if its Chinese parent company ByteDance did not sell the short-video app by a deadline set by Congress. The justices ruled 9-0 that the law, passed by Congress last year and signed by Biden, did not violate the Constitution's First Amendment protection against government abridgment of free speech. The justices affirmed a lower court's decision that had upheld the measure. Trump, Biden's successor, subsequently opted not to enforce the law and gave the parties time to try to reach a deal.

(Compiled by Andrew Chung, John Kruzel, Nate Raymond, Blake Brittain and Daniel Wiessner; Editing by Will Dunham)