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Enviro Science 1021
Final - Short Answer Questions
| Question | Answer |
|---|---|
| List and describe three examples where popular culture has played a major role in influencing our responses to environmental issues | Avatar, Earth song- Michael Jackson, Silent Spring, Sim City. Raise awareness about negative impact on human activities on the environment. Encourage to take action against carbon foot print, endangered species, and conserve natural resources. |
| Describe at least five distinct and environmental threats to the global biosphere (excluding effects on humans) and their underlying causes | climate change: increase in greenhouse gas, habitat loss: human development, pollution: industrial and agricultural activities, overfishing: unsustainable practices, deforestation: human development |
| Describe the importance of a region’s energy sources (i.e. its energy profile) and compare the energy profile of Canada to the global community | They impact the environment, economy, and society. Energy sources can contribute to climate change, renewable energy sources don't, access to reliable energy sources impact a society's quality of life, Canada plans to reach net zero emissions by 2050 |
| "compare Canada to global community" | Canadas energy profile is unique, fifth largest energy producer and exporter, energy sector significant contributor to climate change. |
| Provide an overview of renewable technologies that can help reduce emissions | solar: photovoltaic cells, wind: turbines, hydroelectric: dams, geothermal: underground heat sources, biomass: organic materials. |
| Describe measures in Canada that are being taken to limit emissions from the oil, coal and gas sector across the country. | Carbon pricing policy: price on carbon emissions encourages companies to reduce their emissions, methane regulation: require companies to reduce emissions from coal, oil and gas sector. |
| Describe three major effects our food production systems and associated practices have on the environment including potential solutions we have to alleviate these pressures | deforestation: loss of biodiversity and carbon storage, water pollution: fertilizers and pesticides, greenhouse gas emissions: fossil fuels in food production and transportation.Reduce food waste, sustainable agricultural practices, transitioning to plant |
| Compare the environmental damages caused by overexploitation of species like cod to those caused by aquaculture for high-value species like salmon | Overexploitation of cod can lead to collapse of fish population and biodiversity, depletion of fish stocks versus water pollution, disease outbreaks, deforestation and depletion of wild fish stocks. |
| How has the contribution of aquaculture changed over time and approximately how much of global fish protein is sourced from aquaculture now | increased significantly, approx 50% |
Created by:
caitlinwest
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