'(<a href="http://www.j-archive.com/media/2007-02-16_DJ_10.jpg" target="_blank">Cheryl of the Clue Crew explains a diagram shown on a screen.</a>)  Many people are concerned about the long-term consequences of this effect that traps energy from the sun'
the greenhouse effect
SCIENCE STUFF: Many people are concerned about the long-term consequences of this effect that traps energy from the sun
Many people are concerned about the long-term consequences of this effect that traps energy from the sun
Many people are concerned about the long-term consequences of this effect that traps energy from the sun
SCIENCE STUFF
the greenhouse effect
SCIENCE STUFF