Global+Climate+Change+Web+Activity

Answer all the questions on loose-leaf paper. — Answer all questions in complete sentences. @http://www.environment.gov.au/climate-change/climate-science-data/climate-science/greenhouse-effect 1) Watch and explain the animation at the bottom of the screen and explain the greenhouse effect and the enhanced greenhouse effect.

@https://climate.nasa.gov/causes/

2) Read “We live in a greenhouse”, how much of the sun’s light passes through the clouds?  3) After the sun’s light is absorbed by the Earth, what form of energy is radiated upward?  4) Explain the role of greenhouse gases.  5) Draw and label each greenhouse gas molecule and describe the sources of each one.  6) Is CO 2 the most potent greenhouse gas? Explain.  7) Create a diagram (flow chart) that depicts the consequences of changing the natural concentrations of atmospheric greenhouse gases.  8) How much has modern industrial activity raised atmospheric carbon dioxide levels in the last 150 years?  9) Explain several lines of evidence that show why current global warming cannot be explained by changes in energy from the sun.

@https://climate.nasa.gov/evidence/ 10) According to the graph, what is the current CO <span style="font-family: Georgia,serif;">2 <span style="font-family: Georgia,serif; font-size: 130%;">level? What was the 1950 level? What was the highest level before 1950 and when did it occur? <span style="font-family: Georgia,serif; font-size: 130%;">11) What trend do you notice in CO2 levels over the last 400,000 years? How could climate change deniers and skeptics use this pattern to argue against climate change science? What is strikingly different now compared to anytime during the past 400,000 years? <span style="font-family: Georgia,serif; font-size: 130%;">12) How has Earth’s climate changed throughout history and to what are most of these climate changes are attributed? <span style="font-family: Georgia,serif; font-size: 130%;">13) What is ancient or paleoclimate evidence and what has it revealed? <span style="font-family: Georgia,serif; font-size: 130%;">14) When was the heat-trapping nature of carbon dioxide and other gases first demonstrated? <span style="font-family: Georgia,serif; font-size: 130%;">15) How much has global temperature risen since the 19th century and when has most of the warming occurred? <span style="font-family: Georgia,serif; font-size: 130%;">16) How much have the oceans warmed since 1969? <span style="font-family: Georgia,serif; font-size: 130%;">17) How much ice did Greenland lose per year between 2002 and 2006? How much ice did Antarctica lose per year between 2002 and 2005? <span style="font-family: Georgia,serif; font-size: 130%;">18) How is climate change affecting glaciers and where is this happening? <span style="font-family: Georgia,serif; font-size: 130%;">19) How is climate change affecting snow cover and how do we know this happening? <span style="font-family: Georgia,serif; font-size: 130%;">20) What has happened to arctic sea ice over the over the last several decades? <span style="font-family: Georgia,serif; font-size: 130%;">21) What has been happening with respect to temperature and precipitation? <span style="font-family: Georgia,serif; font-size: 130%;">22) Explain what has happened with respect to ocean acidification.

<span style="font-family: Georgia,serif; font-size: 130%;">@https://climate.nasa.gov/effects/ <span style="font-family: Georgia,serif; font-size: 130%;">23) What are the observable effects on the environment that global climate change has already had? <span style="font-family: Georgia,serif; font-size: 130%;"> 24) What effects from global climate change, that scientists predicted in the past, are now occurring? <span style="font-family: Georgia,serif; font-size: 130%;"> 25) What is the IPCC and what do they forecast? <span style="font-family: Georgia,serif; font-size: 130%;"> 26) What is expected to happen to the frost-free season (growing season)? <span style="font-family: Georgia,serif; font-size: 130%;"> 27) Explain the changes in precipitation patterns expected in the United States. <span style="font-family: Georgia,serif; font-size: 130%;"> 28) Explain the projections for droughts and heatwaves. <span style="font-family: Georgia,serif; font-size: 130%;"> 29) Explain the projections for hurricane-associated storm intensity and rainfall. <span style="font-family: Georgia,serif; font-size: 130%;"> 30) Explain what is expected to happen in the next several decades with respect to sea level rise. <span style="font-family: Georgia,serif; font-size: 130%;"> 31) Explain what is expected to happen to arctic ice before mid-century. <span style="font-family: Georgia,serif; font-size: 130%;"> 32) Choose two U.S. regions and explain the effects that global warming will have on them.

<span style="font-family: Georgia,serif; font-size: 130%;">@https://climate.nasa.gov/vital-signs/carbon-dioxide/ <span style="font-family: Georgia,serif; font-size: 130%;">33) What is the latest carbon dioxide measurement and when was it taken?

<span style="font-family: Georgia,serif; font-size: 130%;">https://climate.nasa.gov/images-of-change?id=638#638-olympian-land-changes-in-south-korea <span style="font-family: Georgia,serif; font-size: 130%;">34) Click on the four-square box/grid symbol in the upper-right to access the gallery of images of change. Pick four images of change (that have to do with climate change) and describe the before and after pictures (move the curtain back and forth).

<span style="font-family: Georgia,serif; font-size: 130%;">@https://climate.nasa.gov/solutions/adaptation-mitigation/ <span style="font-family: Georgia,serif; font-size: 130%;">35) Why are we committed to some level of climate change? <span style="font-family: Georgia,serif; font-size: 130%;"> 36) Define mitigation, with respect to climate change. <span style="font-family: Georgia,serif; font-size: 130%;"> 37) Explain two ways to mitigate climate change. <span style="font-family: Georgia,serif; font-size: 130%;"> 38) What is the goal of climate change mitigation? <span style="font-family: Georgia,serif; font-size: 130%;"> 39) Define adaptation, with respect to climate change. <span style="font-family: Georgia,serif; font-size: 130%;"> 40) What is the goal of climate change adaptation? <span style="font-family: Georgia,serif; font-size: 130%;"> 41) Describe some ways that cities and municipalities are adapting to climate change. <span style="font-family: Georgia,serif; font-size: 130%;"> 42) Explain six ways that climate change is starting to be factored into a variety of development plans.