Y7 Geography-Global issues and challenges

What is the greenhouse effect?

The process by which greenhouse gases trap heat in the Earth's atmosphere, keeping the planet warm

What are examples of greenhouse gases? (4)

Carbon dioxide (CO₂), methane (CH₄), nitrous oxide (N₂O), water vapour

What causes climate change? (4)

Burning fossil fuels, deforestation, agriculture, industrial activity

What are the effects of climate change? (4)

Rising sea levels, more extreme weather, melting ice caps, habitat loss

What are some responses to climate change? (4)

Renewable energy use, reforestation, international agreements (e.g. Paris Agreement), reducing carbon footprint

What are renewable sources of energy? (4)

Solar, wind, hydroelectric, geothermal, biomass

What are non

renewable sources of energy?

What are the advantages of renewable energy? (3)

Sustainable, low carbon emissions, reduces pollution

What are the disadvantages of renewable energy?(3)

Expensive to set up, weather dependent, location

What is a global issue related to water?

Water scarcity: when demand for clean water exceeds supply

What causes water scarcity?(4)

Drought, pollution, overuse, poor infrastructure

What is a solution to water scarcity?(4)

Building dams, desalination, water conservation, better management

What is a global issue related to oceans?(4)

Ocean pollution: from plastic waste, oil spills, chemicals

How can we protect the oceans?(4)

Reduce plastic use, improve waste management, create marine protected areas