While Earth Day was an important time to highlight issues surrounding our environment, pollution impacts our world on every single day of the year.

Last year, 24/7 Wall St. analyzed the environmental issues facing each state. In observance of Earth Day, the rankings were updated to reflect the most recent data.

24/7 Wall St. examined energy consumption, pollution problems and state energy policies. The most recent information, issued in 2009 and 2010, was used for all states. Thousands of data points were collected to determine the most and least “green” states.

Below are the ten least green states in the 24/7 Wall St. ranking, based on environmental problems and how effectively these problems are addressed.

10. Illinois

Population: 12,910,409 (5th)
GDP: $630.3 Billion (5th)
Toxic Waste: 1.04 Million Tons (43rd)
Carbon Footprint: 242 Million Metric Tons (45th)
Alternative Energy: 1.6% (47th)

Illinois uses the third greatest amount of energy out of all the states. Unfortunately, only 1.6% of this energy comes from renewable sources. This is the fourth worst percentage in the country. The state, with its heavy manufacturing industry, also received the fourth worst toxic exposure score by the EPA. The state does have the seventh highest score for solar energy policy, however.

9. Missouri

Population: 5,987,580 (18th)
GDP: $239.7 Billion (22nd)
Toxic Waste: 238 Thousand Tons (33rd)
Carbon Footprint: 140 Million Metric Tons (36th)
Alternative Energy: 2.5% (38th)

The nature of 24/7’s ranking is such that a state might redeem itself for a shortcoming in one category by exceeding in another. If the state doesn’t produce substantial alternative energy, it may be because its size doesn’t allow for much production, and this would be balanced to a certain extent by low pollution levels. Missouri is a perfect example of a state which falls flat in every statistical category. Out of 28 ranked metrics, the “Show Me State” breaks the upper 25 only five times, with 16th in air particle score being its highest ranking. The state ranks 37th in policy initiatives and 48th in non-hydroelectric alternative energy.

8. Kentucky

Population: 4,314,113 (26th)
GDP: $156.5 Billion (28th)
Toxic Waste: 132 Thousand Tons (29th)
Carbon Footprint: 156 Million Metric Tons (39th)
Alternative Energy: 2.4% (Tied for 39th)

Kentucky performs poorly in most categories on this list. It ranks 43rd for releasing cancer-causing chemicals, 44th for releasing developmental toxins, and 41st for releasing reproductive toxins. The state also ranks 39th for CO2 emissions from fossil fuel combustion.

7. Texas

Population: 24,782,302 (2nd)
GDP: $1.14 Trillion (2nd)
Toxic Waste: 13.4 Million Tons (50th)
Carbon Footprint: 184 Million Metric Tons (50th)
Alternative Energy: 4.6% (28th)

While Texas does well in some areas, such as producing the greatest amount of wind energy in the country, it performs poorly in several pollution categories. Much of this is due to the high rates of industry in the state. Texas ranks absolute last for CO2 emissions from fossil fuel combustion, having produced over 670 million metric tons of CO2 in a single year. The second highest amount is produced by California, however that state produced just under 400 million metric tons, a significantly smaller amount. Among Texas’ other poor rankings are 50th for the EPA’s toxic exposure score, 47th for total toxic chemicals released into waterways, 46th for cancer-causing chemicals released, 45th for developmental toxins released, and 49th for reproductive toxins released. The state also produces the greatest amount of hazardous waste, generating 13,461,911 tons in one year. This is over three times the amount produced by the second worst-offending state, Georgia, which generates 4,024,468 tons.

6. Pennsylvania

Population: 12,604,767 (6th)
GDP: $554.3 Billion (6th)
Toxic Waste: 290 Thousand Tons (36th)
Carbon Footprint: 274 Million Metric Tons (48th)
Alternative Energy: 2.4% (Tied for 39th)

Unlike many of its northeastern neighbors, Pennsylvania ranks very poorly on our list. This, of course, is due in large part to the state’s expansive and polluting industry. The “Keystone State” ranks 48th in CO2 emissions from fossil fuel combustion, 49th for particulates in the air, and 49th for toxic exposure. The state’s pollution habits are, unfortunately, not very surprising, since it is well-known for its coal, steel, and natural gas industries.

5. New Jersey

Population: 8,707,739 (11th)
GDP: $482.9 Billion (7th)
Toxic Waste: 555 Thousand Tons (39th)
Carbon Footprint: 134 Million Metric Tons (34th)
Alternative Energy: 1.5% (48th)

The only reason most would be surprised about seeing New Jersey here in our ranking is that it isn’t dead last. The Garden State is not known for being green, a reputation that is based in truth. The state ranks 45th in air particle pollution and 46th in ozone pollution. New Jersey actually scores quite well in energy conservation and alternative energy policy, however these policies haven’t translated into results. As a percent of energy generated that is alternative, the state ranks third-to-last.

4. Louisiana

Population: 4,492,076 (25th)
GDP: $208.3 Billion (24th)
Toxic Waste: 3.8 Million Tons (48th)
Carbon Footprint: 194 Million Metric Tons (43rd)
Alternative Energy: 4.1% (30th)

Louisiana is another poor performer. It is 46th in energy-saving policies and programs and has the sixth-smallest alternative energy budget. The state rates horribly in water pollution, falling into the bottom five for releasing carcinogenic toxins, total water pollution, and chemicals which can cause birth defects. Louisiana also produces the third-most toxic waste each year – roughly 3.8 million tons.

3. West Virginia

Population: 1,819,777 (37th)
GDP: $63.3 Billion (39th)
Toxic Waste: 92 Thousand Tons (26th)
Carbon Footprint: 116 Million Metric Tons (32nd)
Alternative Energy: 1.8% (46th)

West Virginia stands out at the bottom of our list as having a surprisingly low level of energy consumption. Thirty-eight states use more energy each year than the “Mountain State,” including Iowa, which is in the top ten on our list. This fact makes West Virginia’s horrible performance much more impressive. Only twice does the state break the top 25 in any category, and it ranks in the bottom ten percent in many categories, including alternative energy, policy, air pollution, water pollution, and carbon footprint. The best thing state residents can lay claim to is generating three-quarters of a million megawatt hours of wind energy annually, the 19th best amount for this category.

2. Indiana

Population: 6,423,113 (16th)
GDP: $262.6 Billion (16th)
Toxic Waste: 778 Thousand Tons (41st)
Carbon Footprint: 230 Million Metric Tons (44th)
Alternative Energy: 0.7% (Tied For Last)

Indiana’s main source of power production is coal. In fact, Indiana is home to the country’s largest coal power plant, the Gibson Generating Station. As a result, the state is tied with Ohio for having the lowest percent usage of renewable energy sources in the United States, with a mere 0.7%. Additionally, the state has some issues with pollution. It releases the greatest amount of toxic chemicals into waterways, releasing over 27 million pounds in one year. The second greatest amount, from Virgina, was significantly less at just over 18 million pounds.

1. Ohio

Population: 11,542,645 (7th)
GDP: $471.2 Billion (8th)
Toxic Waste: 1.3 Million Tons (45th)
Carbon Footprint: 267 Million Metric Tons (47th)
Alternative Energy: 0.7% (Tied for Last)

Ohio ranks fifth in energy consumption, and very little of this demand is met by alternative energy. Only 0.7% of the state’s energy comes from renewable sources, the worst rate in the country. The majority of the state’s energy comes from coal. Along with this tendency comes a long and poor record of pollution. The state ranks 47th for CO2 emissions from fossil fuel combustion, 46th for toxic exposure, 47th for developmental toxins released, and 47th for reproductive toxins released. Additionally, the state ranks second worst, just behind Florida, for hazardous waste violations since 2000, as reported by the nonprofit group OMB Watch. Ohio may not rank dead last in an extreme number of subcategories, however its overall extremely poor showing causes it to be ranked as the least environmentally friendly state on our list.

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