How do scientists determine the short and long term effects of climate change? Objective Students will be able to understand the process by which scientists in W-GIPP determine the short and long range effects of global climate change. Background "It’s most important that students understand the range of possible consequences so they can choose how they wish to take risks with their own planet.” --Stephen Schneider Two 1/2 hour sessions with research time between. Scientists who are working on the global climate change issue are basically trying to predict the future. What will happen to Earth Duration: 30 Minutes.