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From climate change to climate action
The document outlines a presentation on climate change that covers distinguishing weather from climate, the science of climate change, causes such as natural factors and human activities, impacts like rising sea levels and effects on agriculture, and what individuals can do through climate activism. The objectives are to list what is known about climate science, things to learn, and questions. Sections define climate and compare it to weather, describe the earth system and indicators of climate change like greenhouse gases. Potential impacts on areas, health, forests and more are reviewed.
From climate change to climate action
- 1. Presenter: Nasratullah Mateen Environmentand NRs Activist and Writer
- 3. Topics to Cover: •Distinguishing climate from weather • Science of Climate Change • Causes of Climate Change • Impacts of Climate Change • What can we do • Climate Activism Workshop Objectives
- 4. List the followingthings about climate science and climate change: Exercise: What Do You Know? 3 Things you know about the topic 2 things you want to learn 1 question you want to ask Pair yourself to the one sitting on your right hand side and discuss your answers.
- 5. Weather • The actualstate of the atmosphere in a period of several hours up to a few days (in a given place). Climate • A statistical description in terms of the mean and variability of relevant quantities over a period ranging from months to thousands or millions of years (IPCC). • The classical period is 30 years, which are most often surface variables such as temperature, precipitation, and wind. • Climate in a wider sense is the state, including a statistical description, of the climate system (World Meteorological Organization (WMO)). Climate vs. Weather
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- 7. Air Water Life Land Ice Earth System (Interaction) Atmosphere(all air) Hydrosphere (all water) Biosphere (all living things) Geosphere (solid portion of the earth) Cryosphere (frozen water part of the earth)
- 8. IPCC, 3rd AssessmentReport: Climate change: a statistically significant variation in either the mean state of the climate or in its variability, persisting for an extended period (typically decades or longer). UNFCCC, Article 1: “climate change”: “a change of climate which is attributed directly or indirectly to human activity that alters the composition of the global atmosphere and which is in addition to natural climate variability observed over comparable time periods.” What is Climate Change?
- 9. What are the PrimaryIndicators of Climate Change?
- 10. What are thePrimary Indicators of Climate Change?
- 12. Natural Causes Volcaniceruptions Ocean currents Solar Variation Earth’s movements Causes of Climate Change
- 13. Greenhouse gases Deforestation Coal mining Burning of fossil fuels Industrial processes Agriculture Human Causes (Anthropogenic or Man-made Causes)
- 15. RISE IN SEALEVEL Effects of Climate Change Melting ice sheets Sea level rise
- 16. Heavy rainfall acrossthe globe Effects of Climate Change
- 17. Extreme drought Effects ofClimate Change
- 18. Decline in cropproductivity Effects of Climate Change
- 19. Ecosystems are changing Effectsof Climate Change
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- 21. Rise in temperature Effectsof Climate Change
- 22. Carbon dioxide acidifiesseawater • CO2 and carbonate (which plankton use to make shells) combine in the ocean. • The ocean is already more acidic than it was 50 years ago. CO2 CO2 Ocean Atmosphere “shelled-critters” Effects of Climate Change
- 23. Causes of ClimateChange
- 24. Green House Gasesand Earth’s Greenhouse Effect
- 25. Actual Greenhouse vs.the Greenhouse Effect - Similar But Not Quite The Same
- 26. GHE#1 - Natural Earth’sNatural Greenhouse Effect
- 27. GHE#2 - Humans Human-causedGlobal Warming
- 28. GHE#3-Text The science ofglobal warming is based on well-understood physical principles. There is NO scientific debate about this! Due to human activities, there are now 40% more greenhouse gases in the atmosphere than there were a few hundred years ago. The Earth has already warmed as the consequence of this, and scientists expect that the next 20 to 100 years the world will warm a lot more!
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- 30. Increasing greenhouse gasestrap more heat GHGs Trap Heat
- 31. Atmospheric Lifespan ofGreenhouse Gases
- 32. 2008 Global CO2Emissions From Fossil Fuel Combustion and Some Industrial Processes: Country comparisons Source: National CO2 Emissions from Fossil-Fuel Burning, Cement Manufacture, and Gas Flaring: 1751-2008.
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- 35. If it is: •Hotter? • Dryer? • Windier? What happens to your area?
- 36. Extreme Flooding atBangkok in October 2011
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- 38. Consequences of ClimateChange For example: Temperature increase Sea level rise More rain Agriculture and food security Crop yields, irrigation demands... Forests Composition, health and productivity... Water resources Water supply, water quality... Coastal areas Erosion, inundation, cost of prevention... Species and natural areas Biodiversity, modification of ecosystems... Human health Infectious diseases, human settlements... Consequences of climate change:
- 41. Changes and Impactsin Context
- 42. Impacts of climatechange on water resources
- 46. Warmer temperatures Drier soils Drier vegetation More and larger fires More Erosion and Stream Sedimentation Less fish Less high-quality food. What are the consequences of increased rainfall? Cascade of Changes
- 47. Global Population Theworld population is expected to rise throughout the 21st century, although this growth is projected to decelerate markedly in 2050 to 2100. Currently, the world population’s annual growth rate is 1.1%.
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- 59. Thank You For YourAttention