Depending on where you are, spring is either wrapping up or just around the bend. From the sounds of spring peepers peeping to birds chirping, this is definitely the season of re-birth. Check out this handful of sites that look at some of the signs of spring. The first site (1), from naturesound.com, allows you to hear the chorus of a truly spring sound: spring peepers. Next, from Education...

The Stockholm Environment Institute (SEI) is an independent international research institute. For over 25 years SEI has been gathering data on the interrelated systems of development and ecology, bringing together diverse stakeholders for dialogues and partnerships. For the past several years, the organization has focused its efforts on four targeted activities: Managing environmental systems,...

The Cutting Edge group at Carleton College has created a number of fine teaching resources for college-level instructors working across the geological sciences, and this website is no exception. This particular area of their larger site is primarily intended for educators who teach structural geology. As visitors scroll through the site, they will find thematic areas that include links to computer...

Think Google Maps for the climate-conscious. Readers interested in the intersection of cartology and climatology may enjoy the Surging Seas maps created by Climate Central. Using peer-reviewed data and research, the site's interactive resources explore the imminent and long-term effects of climate change through "user-friendly maps and tools, extensive datasets, and high-quality visual...

The Tea Bag Index is a unique citizen science project that measures global tea bag decomposition. Participants have one simple task: take two plastic tea bags (one Lipton Green tea bag and one Lipton Rooibos tea bag) and bury them just 8 centimeters below the ground in a the same location (15 centimeters apart from one another). After 2-3 months, remove the tea bags, dry them out, weigh them, and...

Teach the Earth is a portal into "the rich geoscience education content available through dozens of independent project websites." Created by the Science Education Resource Center (SERC) at Carleton College, the site offers up thousands of pages of activities, workshops, course descriptions, and more. Visitors can use the Explore Topics and Themes area to look around the materials. The Popular...

The Canadian Council for Geographic Education (CCGE) is serious about geographic education. This site provides a range of educational materials for those with a passion for the spatial sciences. The materials here are divided into four areas: Canadian Atlas Online, Lesson Plans, Classroom Activities, and Teaching About Geographical Thinking. In the Canadian Atlas Online area, visitors can learn...

The National Geographic Education website is a wonderful find, as it includes resources for educators who wish to incorporate spatial knowledge, cultural geography, and a wide range of related subjects into their classrooms. The Fast Fact on the top left-hand side of the page is a great place to start: it currently features information on how to make a simple compass and understand navigation....

Earth's climate is a mind bogglingly complex system of interdependent parts and teaching about that system is no easy task. This site from NOAA climate.gov provides all the resources teachers need to bring the subject to life. Educators may wish to start with the featured resources, which update regularly. The information-thick e-pamphlet, Teaching Climate Literacy, is another great feature that...

This rather remarkable website contains a great collection of resources for web-based instruction and demonstrations of geology concepts. The collection includes, under Classroom demonstration, the very useful SeisMac 3.0, which is an application for Mac OS X that turns a laptop computer into a " low-resolution strong-motion accelerometer," or a basic seismograph. It works by accessing the...