Earth has experienced climate change in the past without help from humanity. We know about past climates because of evidence left in tree rings, layers of ice in glaciers, ocean sediments, coral reefs ...

Every month on Earth Matters, we offer a puzzling satellite image. The November 2024 puzzler is shown above. Your challenge is to use the comments section to tell us where it is, what we are looking ...

Every month on Earth Matters, we offer a puzzling satellite image. The November 2024 puzzler is shown above. Your challenge is to use the comments section to tell us where it is, what we are looking ...

At first, the geography of Antarctica might seem a little confusing. From space, much of Antarctica looks featureless and white, meaning there are few features to guide you. It’s one thing to know ...

Examine the set of graphs below for a given city. Read carefully the temperature and precipitation scales on the graphs. Review the biome information. Two biome choices are given for each set of ...

Since its launch in February 2013, Landsat 8 has collected about 400 scenes of the Earth’s surface per day. Each of these scenes covers an area of about 185 by 185 kilometers (115 by 115 miles)—34,200 ...

Agencies and scientists across the globe continue to use Landsat data to monitor deforestation and to enforce environmental policies. For example, in 2003, the state of Mato Grosso, Brazil, piloted a ...

All of this extra carbon needs to go somewhere. So far, land plants and the ocean have taken up about 55 percent of the extra carbon people have put into the atmosphere while about 45 percent has ...

Sea surface temperatures have a large influence on climate and weather. For example, every 3 to 7 years a wide swath of the Pacific Ocean along the equator warms by 2 to 3 degrees Celsius. This ...

× This page contains archived content and is no longer being updated. At the time of publication, it represented the best available science. Before widespread human settlement began to encroach on the ...

Review the biomes. Now examine the set of temperature and precipitation graphs given below for each city. Be careful reading the scales on the graphs. Using the pull-down menus, select the correct ...

How far can dust travel? Where does it come from? Explore the answers to these questions and make a model of how dust affects sky visibility in Dust a True World Traveler.