Following a brief introduction to tidal energy, this article discusses the use of tidal generators to convert that energy into electricity. The article also features a description and images of the Invergordon, Scotland tidal energy generator. This lesson is part of the Climate Kids website, a NASA education resource featuring articles, videos, images and games focused on the science of climate change.

The movement of Arctic air, known as the Arctic oscillation, can and will cause periodic extreme winter weather outside the Arctic region - the harsh winter experienced in many parts of the U.S. in 2010 is a recent example. This article explains the connection between the two events. This article is part of the Climate Kids website, a NASA education resource featuring articles, videos, images and games focused on the science of climate change.

This article discusses the challenges facing a species of lemur in Madagascar. Due to atypical rain patterns resulting from climate change, the survival rate of the offspring of these lemurs is decreasing. The Climate Kids website is a NASA education resource featuring articles, videos, images and games focused on the science of climate change.

The recycled paper produced from the instructions provided contains an additional component - wildflower seeds. The entire paper disc can be planted; the sprouting of the flowers can be observed and analyzed. The Climate Kids website is a NASA education resource featuring articles, videos, images and games focused on the science of climate change.

Instructions are provided for making a solar oven, followed by directions for using the oven to make s'mores. A side column discusses the practicality of using solar ovens in places like western Africa. The Climate Kids website is a NASA education resource featuring articles, videos, images and games focused on the science of climate change.

Instructions are provided for constructing a terrarium. The analogy between the terrarium and Earth is also provided. This activity is part of the Climate Kids website, a NASA education resource featuring articles, videos, images and games focused on the science of climate change.

The effects of climate change on marmots in Colorado and sheep in Scotland are presented and compared. The Climate Kids website is a NASA education resource featuring articles, videos, images and games focused on the science of climate change.

This article provides a brief introduction to solar energy, explains its benefits, and culminates in a description of the work being done by a group of volunteers, (the "Sun power people") who help install solar panels on homes in California. The Climate Kids website is a NASA education resource featuring articles, videos, images and games focused on the science of climate change.

The concentration of carbon dioxide in the atmosphere is the focus of this article; the units of measurement (ppm) are explained and the importance of monitoring that number as one of Earth's vital signs is also discussed. This article is part of the Climate Kids website, a NASA education resource featuring articles, videos, images and games focused on the science of climate change.

One of Earth's vital signs, the extent of sea ice cover in the Arctic, is examined. An image and accompanying text describe the extent and consequences of the reduction in that sea ice. This article is part of the Climate Kids website, a NASA education resource featuring articles, videos, images and games focused on the science of climate change.

The consequences of both sea ice melting and increases in ocean water temperature are presented in this examination of sea level- another of Earth's vital signs. This lesson is part of the Climate Kids website, a NASA education resource featuring articles, videos, images and games focused on the science of climate change.

The term "global average temperature" is defined and its importance in monitoring climate change is discussed. A supplemental column makes the analogy between Earth’s temperature and human vital signs. This lesson is part of the Climate Kids website, a NASA education resource featuring articles, videos, images and games focused on the science of climate change.

Butterflies are dependent on native plants for survival. The decrease in the number and diversity of native plants has caused a drop in butterfly populations. Planting a butterfly garden, using plants native to the area, can promote butterfly population growth. This article explains the life cycle of the butterfly, the reasons for the loss of native habitat and the basics of creating a butterfly garden. The Climate Kids website is a NASA education resource featuring articles, videos, images and games focused on the science of climate change.

Using her countywide program as an example, a recycling educator offers incentives for recycling by providing data on energy savings and explaining how her county in Michigan supports the program. The Climate Kids website is a NASA education resource featuring articles, videos, images and games focused on the science of climate change.

In this career-oriented interview, readers are introduced to a scientist who works primarily on wind energy. He explains the importance of wind farm placement planning. Images of architectural wind and a wind farm are included, along with a link to the Power Up game. The Climate Kids website is a NASA education resource featuring articles, videos, images and games focused on the science of climate change.

This short article begins with a definition of groundwater and then focuses on problems related to groundwater in northern India. The Climate Kids website is a NASA education resource featuring articles, videos, images and games focused on the science of climate change.

Use the imbedded sliding scale to observe changes in sea ice distribution, carbon emission levels and average global temperatures over time, as well as the effects of variations in sea level rise along coastal regions. This interactive is part of the Climate Kids website, a NASA education resource featuring articles, videos, images and games focused on the science of climate change.

Houses, some with floor space of less then 100 square feet, can leave a small carbon footprint. This article describes those "tiny houses," and gives additional reasons some people choose to live in them. Photos of several are included. The Climate Kids website is a NASA education resource featuring articles, videos, images and games focused on the science of climate change.

This article describes a form of solar energy collection called concentrating solar power and explains the basic technology behind it. A supplemental column provides a brief overview of three other solar collections systems. The Climate Kids website is a NASA education resource featuring articles, videos, images and games focused on the science of climate change.

Adding lemon juice to water increases the water's acidity; adding carbon dioxide to water will also increase acidity. The effects of the carbon dioxide acidification of ocean water from burning fossil fuels are discussed and images of some of the organisms adversely affected by that acidification are included. This article is part of the Climate Kids website, a NASA education resource featuring articles, videos, images and games focused on the science of climate change.