environments: stream, estuary, nearshore, and ocean. If these environments are not maintained in a healthy state, salmon populations can decline. Source : . State of Washington |. Depart ...

downpours, which are increasing in the United States, have contributed to increases in heavy flood events. The figure illustrates how people can become exposed to waterborne diseases. Human exposures ...

energy for Earth's climate system: [ A discussion about renewable energies and the use of solar in different part of the world will be a logical follow-up to this activity. Use an overhead projector t ...

In the overview lecture about the current status of global climate change negotiations, educator should supplement with most recent developments and examples of summits. Showing a video of an internat ...

addresses the difference between weather and climate. Best for an educator who is proficient in climate science. The educator needs to have a confident grasp of background knowledge to make this lesso ...

Severity Index (PDSI) for July from 1895-2020, illustrating estimated periods of relative dryness in the upper Missouri River Basin. Click on the image for a larger view and source information. ...

year. Green fill indicates the observed year-to-date precipitation. The red circle shows the jump in accumulated precipitation on September 13, 2013. Source : . Climate Explorer. P ...

to the abundance of plants on Earth—an indicator of the potential for capturing the sun's energy in complex molecules (sugars). This image shows primary production on land and in the ocean from Septem ...

In July 2007, this nearly century-old whaling boat was perched on an eroding bluff along the coast of the Beaufort Sea near Lonely, Alaska. Just a few months later, the boat washed away to sea in a st ...

In the Gulf Coast region, 2,400 miles of major roadway are projected to be inundated by sea level rise within this century. The map shows roadways at risk in the event of a sea level rise of about fou ...