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The Latest in Environmental Issues
New Orleans, the Mississippi River delta, coastal marshes, and barrier islands are all visible in this satellite image - PLANETOBSERVER/Science Photo Library/Getty Images
Environmental Restoration, 10 Years after Katrina
Ten years after Hurricane Katrina hit the Mississippi River delta region, considerable efforts have been deployed to repair environmental damages and better protect infrastructures from the next storms.
 - Walter Bibikow/AWL Images/Getty Images
Which Are the Fastest Growing Cities?
The U.S. Census Bureau has identified these 20 cities as having experienced the largest percentage growth in number of residents over one year.
 - AG photographe/Moment/Getty Images
What Needs to Happen at the Paris Climate Conference
Learn about the 2015 Paris Climate Conference, and what its participants are hoping to achieve.
 - Nick Koudis/Photodisc/Getty Images
Mercury Contamination in Lakes
Learn about mercury, where it comes from, how it contaminates aquatic environments, and why it creates health concerns.
 - Mike Perry/Moment/Getty Images
Which Cities Have the Worst Air Quality?
Find out which cities the American Lung Association ranks as having the worst air quality.
 - Walter Bibikow/The Image Bank/Getty
Which Cities Have the Cleanest Air?
Find out which cities the American Lung Association ranks as having the highest air quality.
 - Carl D. Walsh/Aurora/Getty
What Is the Problem with Neonicotinoid Pesticides?
Find out what neonicotinoids are, how they work, and the consequences they have on honeybees, wild bees, bumblebees, and birds.
 - Jerry Trudell the Skys the Limit/Moment Open/Getty
The Invasion of the Spiny Water Fleas
Spiny water fleas are an invasive species of zooplankton affecting ecosystems in North America.
 - Matteo Colombo/Moment/Getty
Flushing on a Cruise Ship: Waste Waters and the Environment
Millions travel on cruise ships each year. Find out more about environmental concerns associated with cruise ships, including the various types of waste waters.
 - Greig Cranna/Photolibrary/Getty
Vacation Trip? Leave a Small Carbon Footprint
Excellent ideas and tips to minimize your carbon footprint while on vacation, from our friends at Care2.
 - Philip Quirk/Photolibrary/Getty
What Are Impervious Surfaces?
Impervious surfaces frequently lead to serious water pollution issues. What are impervious surfaces and why are they a problem?
 - Matt Mawson/Moment/Getty
5 Actions You Can Take to Slow Down Climate Change
Five proven actions that can really make a difference with greenhouse gas emissions and global climate change, from our friends at Care2.
 - USGS
Lakes: the Eurasian Water-Milfoil Problem
What is Eurasian water-milfoil? Description of this invasive aquatic plant, environmental and economic effects, and solutions for controlling infestations.
 - silviomedeiros/RooM/Getty
What Did the Pope Say About Climate Change?
In June 2015 Pope Francis released an influential document outlining his views on the environment and global climate change, and the world took notice.
 - Auscape/Universal Images Group/Getty
Why All Those Sea Lion Strandings?
Whales, seals, and sea lions are sometimes found dying on beaches. What causes marine mammal strandings? Found out the latest science about this issue.
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