Here's What's Left For The Supreme Court To Rule On In This Term

06/25/2015 04:17 pm ET | Updated Jun 26, 2015

The Supreme Court issued decisions Thursday in cases involving Obamacare and housing discrimination. But over the next few days, the court will issue more rulings that could have an impact nationwide.

There are five highly anticipated decisions still to come, including a blockbuster case that could legalize same-sex marriage.

The justices are likely to issue decisions on Friday and Monday. Here's a look at what’s still to come, and what’s at stake.

1. Same-Sex Marriage
Obergefell v. Hodges

Obergefell v. Hodges could usher marriage equality to all 50 states. The justices will decide whether the Constitution permits states to prohibit same-sex marriage, and whether states can refuse to recognize same-sex marriages performed in another state where it is legal. As most states now permit gay marriage, many expect the court to go along with the trend. Nationwide support for marriage equality is at record highs, and advocates said they hope the case will be the capstone to decades of litigation.

Read more here.

2. Lethal Injection
Glossip v. Gross

How should a state execute a convicted murderer? The high court's ruling on lethal injection comes down to the whether a drug administered in executions -- midazolam -- causes cruel and unusual punishment banned by the Constitution. The plaintiffs are inmates on Oklahoma's death row, who argue that the drug is not "humane and effective" The state says the medicine does not induce "intense and needless pain and suffering." Experts predict the court's opinion will be written broadly, unlikely to stoke sweeping death penalty reforms.

Read more here.

3. Congressional Redistricting
Arizona State Legislature v. Arizona Independent Redistricting Commission

Arizona's redistricting case stems from a ballot initiative from 2000 that established an independent redistricting commission to oversee complaints of legislative gerrymandering. What happened next was a partisan battle and a lawsuit by Republicans that argued the administration of federal elections should be decided by the "legislature." But what does "legislature" mean? The redistricting commission argues "legislature" means the legislative process, while the legislature says it refers to the legislative "body." The case could have consequences for a handful of other states, including California, that have election laws approved in a ballot initiative process.

Read more here.

4. EPA Emissions Regulations
Utility Air Regulatory Group v. EPA et. al.

A coalition of 21 states, along with coal industry and power plant groups, are challenging Environmental Protection Agency rules meant to clean up dangerous air pollutants, including mercury, nickel and arsenic. Did the EPA not factor in costs -- nearly $10 billion annually -- when it issued new emission standards? A federal appeals judge said it didn't. The EPA says the agency only has to consider health risks, not costs, when regulating.

Read more here.

5. Gun Laws and Criminals
Johnson v. U.S.

A challenge to the Armed Career Criminal Act, which mandates a 15-year sentence for any federal firearms offender with three prior convictions for a "violent felony," contends the law is too vague. The law is a federal version of state "three strikes" rules for repeat offenders, The Wall Street Journal notes. The plaintiff, white supremacist Samuel Johnson, had his prison sentence bumped from 10 years to 15 years under the law.

Read more here.

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