The future with climate change
H1 Geography - syllabus 8834, 2027
Use past climates and present evidence to explain warming, trace unequal impacts, and evaluate mitigation and adaptation.
- Quaternary climates and proxy evidence
Ice and ocean cores hold indirect clues to past climate, and comparing dated records shows repeated warming and cooling.
- Solar change and ice-albedo feedback
A change in incoming energy can start a climate shift, and growing or melting ice can then make that shift bigger.
- Thermohaline circulation and climate
Temperature and saltiness control how dense seawater is, and changes in where dense water sinks alter how oceans move heat.
- Human changes to the carbon cycle
Burning fossil fuels and weakening carbon sinks add carbon to the air faster than land and oceans remove it.
- Greenhouse warming and attribution
The physics of greenhouse gases, observations and attribution studies all show that humans are the main cause of today's warming.
- Carbon and climate feedbacks
A feedback loops back to the first change, and human emissions can trigger both amplifying and limited stabilising responses.
- Climate impacts through ecosystems
Climate change alters ecosystems, and those changes reach people through food, water, income and protection.
- Unequal impacts of climate change
Climate change is uneven across places, and people differ in how vulnerable they are, so gains in one place do not cancel losses elsewhere.
- Uncertainty in climate impacts
Climate uncertainty comes from several sources, so identify which one matters for a claim instead of treating all knowledge as equally uncertain.
- Mitigation through emissions and sinks
Mitigation cuts greenhouse gas emissions or boosts their removal, so judge each strategy's net effect, how long it lasts and its trade-offs.
- Adaptation choices and limits
Adaptation adjusts to climate effects, and it works best when it reduces vulnerability without creating bigger risks later.
- Firms, NGOs and states in climate action
States set the rules, firms bring investment and expertise, and NGOs link knowledge with communities, and they work best together with clear accountability.
- Why climate responses succeed or fail
Whether a climate response works depends on money, politics and uncertain futures, not just its technical design.
- Named examples: The future with climate change
A named place with a date or figure, linked to your point, turns a general answer into a developed one.
What you will be able to do
I can use ice and ocean cores to explain how climate varied during the Quaternary.
Syllabus 8834, Topic 1.2, 1. The Science of Climate Change. Is climate variability a new phenomenon in Earth's history?
Taught in Quaternary climates and proxy evidence, Named examples: The future with climate change
I can explain the natural causes of climate change and their feedback loops.
Syllabus 8834, Topic 1.2, 1. The Science of Climate Change. Can natural factors fully account for contemporary climate change?
Taught in Solar change and ice-albedo feedback, Thermohaline circulation and climate
I can weigh human influence through the carbon cycle and greenhouse effect against natural causes.
Syllabus 8834, Topic 1.2, 1. The Science of Climate Change. How significant is the influence of human activities on Earth's climate compared to natural factors?
Taught in Human changes to the carbon cycle, Greenhouse warming and attribution, Carbon and climate feedbacks
I can explain how changes in climate and ecosystems affect people.
Syllabus 8834, Topic 1.2, 2. Possible Effects of Climate Change. How will contemporary climate change impact humans?
Taught in Climate impacts through ecosystems
I can explain why climate effects are positive for some, negative for others, and unequal between places.
Syllabus 8834, Topic 1.2, 2. Possible Effects of Climate Change. Will contemporary climate change impact everyone in the same way?
Taught in Unequal impacts of climate change
I can explain why present and future climate impacts are uncertain.
Syllabus 8834, Topic 1.2, 2. Possible Effects of Climate Change. How certain are we of the present and future impacts of contemporary climate change?
Taught in Uncertainty in climate impacts
I can evaluate mitigation and adaptation as responses to climate change.
Syllabus 8834, Topic 1.2, 3. Responses to Climate Change. How can we respond to contemporary climate change?
Taught in Mitigation through emissions and sinks, Adaptation choices and limits
I can explain the roles of firms, NGOs and states in responding to climate change and how they work together.
Syllabus 8834, Topic 1.2, 3. Responses to Climate Change. Who are the key actors involved in climate change response?
Taught in Firms, NGOs and states in climate action
I can evaluate why some climate responses succeed and others face barriers.
Syllabus 8834, Topic 1.2, 3. Responses to Climate Change. Are all places able to implement effective strategies to respond to contemporary climate change?
Taught in Why climate responses succeed or fail