**Watch video 1, Climate Change 101 with Bill Nye that reviews the science of climate change and what we can do about the issue. Answer the following questions in a post of at least 130 words:
1. What is climate change and what scientific evidence is available to show it is happening?
2. How have human culture and human action contributed to the rapid climate change we are witnessing today?
3. What are some things we can do as citizens and consumers to reduce the impacts of climate change?

**Watch videos 2,3,4 about the impact of immigration in U.S.in relation to a crime “As Immigration Increases, Violent Crime Falls or Stays the Same” and the economy “Here’s What Research Shows About Immigration’s Impact on an Economy”. Answer the following questions in a post of at least 138 words:
1. What are prejudice and discrimination?
2. According to the videos, what has social science research discovered about the impact of immigration on crime and the economy?
3. Given the facts in the videos above, what do you think are the causes of the current anti-immigration fervor in the U.S.?
4. Is this related to discrimination towards other minority groups in the U.S.?