Where we find clues about climate change. What is science? Hypotheses, theories, facts and beliefs
Inspired by students 100 years ago, students record the seasons
Birds give us clues as they respond to a warmer world
Clues from flowers- early bloomers
Butterflies change their range
Students help scientists collect data on butterflies
Clues from the tropical rainforest
Tree rings tell stories of the past
In the north, evidence that the forest is changing
Penguins and polar bears in a changing world of ice
Ice caps and glaciers- a lot of melting going on
Changing evidence from the ocean "conveyor belt"
Student and scientist partners discover clues in Siberia
Coastlines shift from sea to rising sea
The earth is breathing- measuring CO₂
Ancient mud reveals clues from the bottom of the ocean
Time is frozen in ancient ice cores
Fitting the clues together. Earth's astonishing web of life
"Number crunchers" and the 1000-year temperature chart
What scientists and you can do. The weather RATS learn to observe and record climate data
Taking charge of your "climate footprint"
The power of friends and community
What you- and a million kids- can do
Scientists communicate with citizens of the world
The role of government and you- success stories
