Geothermal energy—energy from Earth's molten core—has been used for thousands of years for heating and bathing. Today, it is one of the least environmentally disruptive sources of power b
Thunderstorms takes you inside one of nature’s most powerful events! Simple text, dramatic photos, and clear diagrams explain what lightning is and why thunder follows it. Did you know thunderstorms c
Because hydrogen fuel gives off water as a byproduct and does not emit any carbon dioxide, many people believe it could one day compete with oil as the major transportation fuel. In Hydroge
Young learners can venture inside nature's most powerful storms-if they dare! Each book in this Spanish-language series features one kind of extreme weather event, from hurricanes to hailstorms. Read
Young learners can venture inside nature's most powerful storms-if they dare! Each book in this Spanish-language series features one kind of extreme weather event, from hurricanes to hailstorms. Read
