What big environmental win has happened in the last 10 years for Americans? Most importantly, the country switched to natural gas from coal, and that is a good thing because emissions from energy plummeted, and a lot of manufacturing has left the country due to a punitive regulatory environment, that is bad, but the upside has been a reduction in pollution across the country.

New satellite images from
the Ozone Monitoring Instrument (OMI) on NASA's Aura satellite
demonstrate the reduction of air pollution across the country.

After ten years in orbit, has been in orbit sufficiently long to show that people in major U.S. cities are breathing less nitrogen dioxide – a yellow-brown gas that can cause respiratory problems.

Knowing where water vapor is in the atmosphere is one of many factors forecasters use to identify weather features and so the GOES Project has created animations that indicate where water vapor is moving over the Atlantic and Eastern Pacific oceans.

Observations from the National Oceanic and Atmospheric Administration's Geostationary Operational Environmental Satellites (GOES) measure the local air temperature in kelvins (degrees Kelvin) at different layers of the atmosphere.

A new study using snow during a Minnesota blizzard gave researchers new insight into the airflow around large wind turbines.

Thanks to subsidies, wind turbines are not going away until at least February of 2017, so improving wind energy efficiency is essential, especially in wind farms where airflows from many large wind turbines interact with each other, a problem that no one included in estimates of cost versus value.

A  research team has revealed conflicting climate change patterns between the middle latitude areas of the Northern and Southern Hemispheres in relation to glacial and interglacial cycles which have been a puzzle for the past 60 years.

Their study collected samples from the stalagmites and flowstones in limestone caves which are called 'hard disks' containing the past climate change data and revealed how much they grew in which eras through isotope analysis and age dating, and traced the past climate changes by applying them to global climate change over 550,000 years.

Transportation is a big cause of CO2 emissions so when pop star takes a helicopter to a climate event to tell everyone else to be more environmentally responsible, or when environmental journalists fly across the world to attend summits because their 'relationships' are too important to use a video conference, it doesn't inspire a lot of commoners to cut back.

Not that they did anyway. Most people rationalize travel, and simply cut back in ways they would anyway. 

With the successful leveling off of CO2, a long-lasting greenhouse gas implicated for most global warming, due to a switch to natural gas, activists have been focusing on methane.

While some of the claims have been controversial and used decades old Soviet data to exaggerate the issue, we do know that about 20 percent of methane emissions are due to livestock. Most people and a better standard of living means more need for food. Ruminants, like sheep and cows, burp methane.

Though mainstream journalism likes to link every bit of weather, even a deep freeze last winter, to global warming, the "Arctic amplification phenomenon" is unlikely to lead to more days of extreme cold, new research has shown.

The Arctic amplification phenomenon refers to the faster rate of warming in the Arctic compared to places further south. It is this phenomenon that has been linked to a spike in the number of severe cold spells experienced in recent years over Europe and North America.

New research by University of Exeter expert Dr James Screen has shown that Arctic amplification has actually reduced the risk of cold extremes across large swathes of the Northern Hemisphere.

Titan, the most famous moon around Saturn, has an atmosphere that is a brownish-orange haze. The dirty color comes from a mixture of hydrocarbons, molecules that contain hydrogen and carbon, and nitrogen-carrying chemicals called nitriles. The family of hydrocarbons already has hundreds of thousands of members, identified from plants and fossil fuels on Earth, and even more could exist.

Do you know where the solar system ends? Not really. We know it does, but picking a hard boundary is difficult.

And when it comes to anthropogenic emissions and air quality, it is hard to know for sure also. How much of CO2 is natural? How are we past the tipping point for CO2 levels while warming has not risen? 

How are emissions calculated? Different ranges of emission fluxes have been proposed by several studies, which have provided emissions at different spatial and temporal scales. Reconciling them all is difficult An EU funded project called Monitoring Atmospheric Composition&Climate II (MACC ll) seeks to hone in on real answers.

Like breathing? Thank water. And the continents.

One of the greatest mysteries of evolution involves oxygen levels in the atmosphere. At various points throughout 4.5 billion years of geological history, carbon levels have been 10X what they are today, yet life pushed on. Today, oxygen concentration is 21% of the atmosphere. One of the biggest puzzles in geochemistry is how it went from trace amounts to just the right one.