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Global average surface temperature in 2016 was 1.69°F (0.94°C) above the 20th century average. This is the third year in a row that our planet has set a new record for unusual heat.

We've learned a lot from the Boulder area ozone gardens this summer, and we're already making plans to continue this project in 2016!
In addition to damaging the leaves of some plants, ozone pollution can impact plant growth, including plants we use as a source of food.
Poor air quality in Colorado from wildfires in the western U.S. has caused an increase in ozone damage on plants in our gardens. In this post we explore how ozone damages plants.
bean plant in ozone garden
Ground-level ozone (a.k.a “bad” ozone) is harmful to humans and plants. See what the ozone garden at the University of Colorado Boulder looks like this week.
A group of middle and high school science teachers visited the ozone gardens at NCAR and tried out our new data collection sheets.
Learn about our newest ozone garden in Colorado! This summer we planted a garden at the University of Colorado Mountain Research Station in order to study ozone pollution at higher elevations.
Not all plants are sensitive to ground-level ozone! The Boulder ozone gardens include four types of plants that are vulnerable to ozone damage and show visible signs of that damage.
Even though the Front Range in Colorado is known to have high levels of ozone, ozone measurements can vary greatly between locations, even within the same city.
Ozone gardens in Boulder, CO are growing fast and showing signs of ozone damage!
2014 was, quite likely, the warmest in the past 135 years. We know that because we know the uncertainty.
ice
When it’s freezing outside, it can be icy too. People walking down the street find their feet sliding in directions that they didn’t intend. A few unlucky ones slip and fall. But have you ever wondered why we slip?
boulder creek
At Boulder's climate station, 14.6 inches of rain fell between September 9, and early morning, September 13, 2013. Most of that rain (more than 9 inches) fell on September 12. That’s a lot, right? Or is it?
Movie of 3 years of the Sun
Time-lapse movie of three years of the Sun as viewed in ultraviolet "light" by NASA's SDO satellite.
In the scientific sense, climate normal is the average of the past 30 years of data about temperature, precipitation and other aspects of weather. Climate is what’s normal, what’s typical, what you’d expect. Yet, we now have a new normal for climate. If you average the past 30 years of temperature data you will have a higher number of degrees than if you average an earlier 30 years of data. Climate is changing, which means normal is changing, at least in the scientific sense. We have a new baseline.
Records set during the Olympics by fast swimmers and runners and all sorts of other athletes were exciting. They made people jump out of seats in living rooms around the world and cheer. But records set by our planet are another story. Those make me uneasy.