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.

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.

A landscaper explains, through an interview format, how it is possible to design and maintain yards and gardens that require very little water. The Climate Kids website is a NASA education resource featuring articles, videos, images and games focused on the science of climate change.

The article addresses this question by suggesting environmentally friendly actions to help reduce carbon footprints, trash production, and water usage. “Green” careers are also discussed. The Climate Kids website is a NASA education resource featuring articles, videos, images and games focused on the science of climate change.

NASA scientists, using several NASA Earth observing satellites, continue to seek answers to questions related to climate change. Several of those questions, focused on such topics as the effect of clouds and aerosols, and the role of the sun's cycles and the carbon cycle, are included in this article. Images of the respective satellites involved in the research are shown. 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 examines the ocean's role in heat absorption and carbon dioxide absorption. The consequences of changes in those, as well as in ocean water salinity, are discussed. The 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.

Through a series of questions and answers, readers are introduced to the basic fundamentals of the carbon cycle and the importance of carbon as a greenhouse gas. 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.

A question and answer format is used to differentiate between weather and climate, and to provide a brief overview of global warming. 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 greenhouse effect is explained in this series of related questions and answers. 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.

This article explains the role that the ocean- and the effect of ocean warming- plays in determining the temperature differences between the North and South Poles. The 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.

Arctic warming produces biological winners (whales) and losers (polar bears). This article explains why they are impacted differently and includes supplemental images. 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.

In addition to instructions for making a model bee out of polymer clay, this site also contains related information about bees: a fact list, factors that threaten them, suggestions on how to help them, a waggle dance diagram and video, and even bee metaphors used in our language. The Climate Kids website is a NASA education resource featuring articles, videos, images and games focused on the science of climate change.