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Creation The main greenhouse gases 1 God created the earth and creation is The main greenhouse gas is carbon good (Genesis 1:31). “God took the dioxide (CO ), produced by burning The earth is warming 2 man and settled him in the garden of fossil fuels (coal, oil and gas) and What is the problem? Eden to cultivate and take care of it” through deforestation (eg. logging and (Genesis 2:15). clearing forest for farming). Other The air temperature at the earth’s surface has risen by 0.8oC, and most of this warming has important greenhouse gases are occurred in the last 30 years. Leading climate change scientists on the IPCC Creation is beautiful; and not only methane, (mostly released from (Intergovernmental Panel on Climate Change) say that it is 95 per cent certain that because it supplies us with resources! belching cows and flooded rice paddy changes in climate are happening as a result of a ‘large-scale warming’ effect caused by God created trees that were pleasant fields) and nitrous oxide, (mostly from human activities.1 This has already affected hundreds of thousands of lives. to look at as well as trees to give food petrol fumes and fertilisers). (Genesis 2:9). As the atmosphere warms: • glaciers and Arctic ice sheets are melting The Old Testament people were full of • rising sea levels are already flooding coastal areas wonder at the power and beauty of • extreme weather, floods and droughts are expected to happen more often creation, reflecting its Creator (Psalms • tropical diseases and pests — such as mosquitoes that carry malaria — may move into 148:3-5). new areas that were once too cold to support them. They saw themselves as guests on the This will affect all of us, but will affect the poorest people in less economically developed land: “for the land belongs to me; and countries (LEDCs) most of all. you are only strangers and guests of mine” (Leviticus 25:23). How is global warming caused? Earth’s temperature goes through natural They shared its produce with the poor cycles of warming and cooling. However, and held the land in trust for future human activities are increasing the amount generations (Leviticus 23:22; 25:24). of greenhouse gases in the atmosphere. These gases trap the sun’s heat and warm the earth - called “the greenhouse effect”. Without the greenhouse effect, the 1. Look up the Bible references given. 1. Explain the greenhouse effect in earth would be too cold for life. But if What do they say about how we should your own words. there are too many greenhouse gases treat creation? in the atmosphere, life is likely to 2. How does human activity increase become impossible for humans. 2. Find other passages in the Bible global warming? that show the beauty of creation. 1IPCC, AR5, 2013, Chapter 10 p3 3. What human activities increase the 3. How do you care for creation? amount of CO2 in the atmosphere? Pause for thought... “Faith... by revealing the love of God the Creator, enables us to respect nature all the more, and to discern in it a grammar written by the hand of God and a dwelling place Action entrusted to our protection and care.” We are more likely to protect what we truly appreciate. Take a few minutes outside to simply be, to take notice and appreciate Pope Francis, Lumen Fidei, 2013, para. 55 the beauty of creation. Find more resources and useful links on this topic at: cafod.org.uk/secondary/climate-environment Image on reverse: Hurricane Irene off the East coast of the United States CAF3022 Registered charity no. 285776 Covenant The greenhouse effect and climate 2 “I am now establishing my covenant A global challenge with you and with your descendants to Much of our weather depends on ocean come, and with every living creature temperatures and currents. that is with you” (Genesis 9:9-10). What is happening now? As air temperatures rise: IPCC scientists forecast that heavy rainfall like that which caused the UK floods in 2014 will If we break God’s covenant by become more frequent over many areas of the globe. All around the world there are signs damaging creation, we also risk • oceans become warmer and expand that our climate is already changing: damaging our relationship with God. • Since 1900, on average, sea levels have risen by about 19cm globally • polar ice and many glaciers melt We have a responsibility to care for the • ocean temperatures cool in some • Since the late 1970s, Arctic sea-ice has reduced by an area about the size of gift that God has given us. Madagascar each decade places due to melted ice and warm 1 in others due to warmer air • Glaciers have continued to shrink almost worldwide. If human beings ignore God’s covenant • as a result ocean currents slow, with all living things and continue to quicken or change direction How fast is global temperature rising? plunder the earth’s resources and • El Niño and La Niña (systems of It takes time for greenhouse gases to affect the atmosphere. pollute its atmosphere, climate change ocean currents and winds in the o 2 • If emissions continue to stay high, warming could be 4.8 C this century. will increase. Pacific) may change, causing • To avoid the worst consequences of climate change, world leaders have committed to droughts and floods in Indonesia, o keep global temperature rises below 2 C this century (compared with pre-industrial We cannot be sure that the UK floods Australia, the eastern coast of levels). were a direct result of climate change Africa, South America, Canada and • Many vulnerable countries want a 1.5ºC limit. We have a 50 per cent chance of but we know that, with climate the US achieving this if we cut emissions by 70-90 per cent, below 2010 levels. change, such storms could be more • tropical storms, which depend on severe. warm seas, are expected to become Negative impacts of temperature rise of above 2°C more intense. It is widely accepted that any rise in global temperature of more than 2oC would change the “We need a decisive ‘yes’ to care for creation and a strong commitment to environment permanently. This would affect people living in less economically developed countries most of all. reverse those trends that risk making • In Latin America, changing rainfall patterns and heat extremes would affect agriculture. the situation of decay irreversible.” For example, in Brazil, at 2°C warming, soy bean crop yields could decrease by up to 70 Pope Benedict XVI per cent. 1. Explain how higher global • In the Middle East and North Africa, 20-40 per cent of summers would have highly covenant = promise temperatures can change the climate. unusual heat extremes, affecting food production as well as health. 2. Why is it impossible to prove that a 1. How does harming the earth risk • In Central Asia, glaciers could reduce by 50 per cent, meaning less water for agriculture particular weather event, like the most 3 damaging our relationship with God? in the lowlands. recent UK flooding, is the result of • In India and Indonesia alone, it is estimated that by 2050 more than 58 million people 2. In what ways have we “plundered” climate change? 4 will be at risk from sea level rise. the earth? 3. Explain how global warming could 1Met Office, based on IPCC, AR5, 2013 2CAFOD, Right Climate for Development, p8 3World Bank, Turn Down 3. How would/did you feel to suffer the have helped to cause the most recent 4 the Heat, 2014 IPCC, AR5, 2013 effects of the most recent UK floods? UK storms. Pause for thought... “We have a stark choice: either we confront climate change, or we won’t be able to end poverty. We have partners on the ground in over 40 countries telling us it’s desperately Action poor people who are hardest hit when a harvest fails, when their animals are weakened by drought, or when the glacier that supplies water for their crops is melting and Calculate your carbon footprint using one of the many online calculators. shrinking.” Chris Bain, Director of CAFOD Find more resources and useful links on this topic at: cafod.org.uk/secondary/climate-environment Image on reverse: Flooded Somerset Levels in 2014 CAF3022 Registered charity no. 285776 What can creation tell us of Coastal protection Asia: God? 3 The mangroves break the waves and Bangladesh “You have only to ask the cattle, for protect Bangladesh from tidal surges, them to instruct you, and the birds of but other measures are needed to The Sundarbans Reserve Forest is the largest single mangrove forest in the world. 62 per the sky, for them to inform you… protect against sea level rise. cent of the forest is in Bangladesh. It is a unique ecosystem with hundreds of species of There is not one such creature who will plants, fish, birds, crocodiles and mammals, including Bengal tigers. The Sundarbans gives not know that the hand of God has In some parts of Bangladesh, barriers a livelihood to millions of people and it protects the coast from cyclones and floods: arranged things like this! In his hand is have been built of boulders and earth. the soul of every living thing and the However, these are threatened by “The complex network of mangrove roots can help reduce wave energy, limit erosion and breath of every human being!” erosion and, even if global form a critical barrier to the dangers posed by the strengthening tropical storms..