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Nearly all ocean dead zones will increase by the end of the century because of climate change, according to a new Smithsonian-led study. But the work also recommends how to limit risks to coastal communities of fish, crabs and other species no matter how much the water warms.

The EPA released a final version of its Climate Change Adaptation Plan, which explains how the agency is incorporating climate Change considerations into its programs, policies, rules, and operations. The EPA also released 17 implementation plans explaining how each of its program and regional offices will carry out the agenda described in the adaptation plan.

Beijing (CNN) -- In a historic climate change deal, U.S. President Barack Obama and Chinese President Xi Jinping announced both countries will curb their greenhouse gas emissions over the next two decades. Under the agreement, the United States would cut its 2005 level of carbon emissions by 26-28% before the year 2025. China would peak its carbon emissions by 2030 and will also aim to get 20% of its energy from zero-carbon emission sources by the same yea

Naturally occurring climate change lowered oxygen levels in the deep ocean, decimating a broad spectrum of seafloor life that took some 1,000 years to recover, according to a study that offers a potential window into the effects of modern warming.

CDP released its "2015 Climate A List," which recognizes companies for demonstrating leadership in climate change mitigation. 

ExxonMobil is under investigation by the New York attorney general for possibly lying about the risks of climate change, the New York Times reports.

The mixed messages over the last few weeks alone - not to mention many other less-than-stellar environmental developments in recent years (hello, fracking) - raise one big question for 2016: which way from here on climate change? Here are five key areas to watch in the year ahead.

Nuclear energy's resilience was never more apparent than during the COP21 climate talks in Paris. It was there that a famed environmentalist and the one who has cautioned against the effects of global warming said that the carbon-free energy form should figure a lot more prominently into utility power generation. Read more: http://www.environmentalleader.com/2016/02/11/scientists-say-climate-change-should-propel-nuclear-energy-to-prominence/#ixzz40U6A0Uhv

Researchers say there's potentially a "brutally ugly technical fix" for climate change, if the world gets desperate enough. Their idea involves simulating a volcanic eruption by spraying sulfuric acid into the stratosphere, reflecting sunlight away from the planet. 

An international team of scientists has proposed a series of deadlines by which humanity must take serious action to combat climate change if it is to meet the ambitious goals of the 2015 Paris Agreement, and stave off potential disaster. The team behind the study hopes that these points of no return will help inform debate, and spur leaders to take action to mitigate the threat of climate change while there is still time.

Climate change is the biggest threat to our national parks. It's not just a future threat -- we're seeing the impacts right now at national parks and other public lands across the country. We must #ActOnClimate to ensure that current and future generations can enjoy America's most treasured places. If we don't, we will have to say goodbye to these iconic views.

Surprisingly, there are a small percentage of TV meteorologists that express skepticism on climate change. On the June 21, 2018 Summer Solstice, over 100 meteorologists will wear an item of clothing like the tie below. This pattern could not be more simple... red for warmer temperatures than normal, blue for cooler than normal from 1850 to 2017.

The Congressional Budget Office says the government's spending on disasters could rise from today's $28 billion to $39 billion in current dollars by 2075, when 10 million US residents will be "substantially affected" by climate change. The CBO suggests requiring coastal residents to carry more of the financial burden of their risk, as curtailing emissions might not go far enough to address the problem.

New study shows we've been underestimating nature's role in tackling climate change.

The country may be the world's largest carbon emitter, but China has the potential to become a clean energy leader. China is now the largest producer of renewable energy, generating 325 million tons of oil equivalent in 2013. Although renewables represented only 11 percent of the country's total energy production in 2014, this shift indicates the Chinese government's effort to transition its energy production mix.

The California Assembly has passed a bill that would require the state to curb its greenhouse gas emissions 40% below 1990 levels by 2030. "With S.B. 32 we continue California's leadership on climate change," Assembly Speaker Anthony Rendon said.

The UN released a report finding that a transformational change in global aviation's efforts to promote economic growth and combat climate change could deliver industry savings up to $70 trillion by 2050. Nancy Young, vice president of Airlines for America, said biofuels can help reduce carbon emissions over time by the commercial airline industry.

WWF's Living Planet Report 2016 shows the scale of the challenges we face regarding the future of our planet - and what we can do about it. The Living Planet Index reveals that global populations of fish, birds, mammals, amphibians and reptiles declined by 58 per cent between 1970 and 2012. But if humans can change the planet so profoundly, then it's also in our power to put things right. This report provides possible solutions - including the fundamental changes required in the global food, energy and finance systems to meet the needs of current and future generations.

Recent studies have shown that climate change could affect the tourism sector. A lack of snowfall in California led to a decrease in business for local ski resorts and restaurants.