IGCSE Biology 9-1 - 4d Human influences on the environment

New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019

This is a PowerPoint presentation for the topic - Section 4d Human influences on the environment

4.12 understand the biological consequences of pollution of air by sulfur dioxide and carbon monoxide
4.13 understand that water vapour, carbon dioxide, nitrous oxide, methane and CFCs are greenhouse gases
4.14 understand how human activities contribute to greenhouse gases
4.15 understand how an increase in greenhouse gases results in an enhanced greenhouse effect and that this may lead to global warming and its consequences
4.16 understand the biological consequences of pollution of water by sewage
4.17 understand the biological consequences of eutrophication caused by leached minerals from fertiliser
4.18B understand the effects of deforestation, including leaching, soil erosion, disturbance of evapotranspiration and the carbon cycle, and the balance of atmospheric gases

The file is fully editable, has plenty of original diagrams and animations along with true false concept check questions at the end of the presentation and an exam style question.