How
are plants affected by climate and the seasons?
In this
large experiment students across the Northern Hemisphere track the growth
of the same plant as the seasons change from winter to spring.
They discover how temperatures,
sunlight, geographic location, and other factors influence plant
growth — and the full array of seasonal changes that take place
in the springtime. These observations set the stage for a better
understanding of the impact of a changing climate. (More...)
Track
the Arrival of Spring
(See Timeline)