Global Food Issues Flashcards
What is an adaptation?
learning to live with
climate change. Examples of this include building flood defences to protect against rising sea levels, and developing new crops that are drought-resistant.
What are food miles?
The distance food travels from production to your plate. The more food travels the more harm we do to the environment
How does the Greenhouse effect work?
1)The sun emits shortwave solar energy
2) Shortwave energy approaches the atmosphere
3) All of the solar radiation can enter the atmosphere
4) Shortwave energy heats up the earths surface
5) Long wave energy is emitted from the earths surface
6) Some of the long wave energy emits to space
7) Some of the long wave energy is trapped
8) Human activity produces greenhouse gases
9) Pollution leads to greater amounts of greenhouse gases
10)Most of the long wave radiation is trapped.
State all the impacts of higher temperatures and rising sea levels
-a change to the location of the Earth’s climate belts, which would make it difficult for some countries to grow food.
-flooding of coastal and low-lying communities.
-the spread of tropical diseases, like malaria, to places that are further north and south.
Climate change can be managed by
Mitigation, Adaptation
What is mitigation
limiting or preventing greenhouse gas emissions.
Examples of this are renewable energy, such as solar panels, and new technology, such as electric vehicles.
What is the enhanced greenhouse effect?
It is the impact on the climate from the additional heat retained due to the increased amounts of carbon dioxide and other greenhouse gases that humans have released into the earths atmosphere.
List all of the greenhouse gases
carbon dioxide, methane, water vapor, ozone, nitrous oxide
What is the greenhouse effect?
The greenhouse effect is a process that occurs when gases in the Earths atmosphere trap the sun’s heat
What is a carbon footprint?
The distance from where an item was originated to its consumers
What is a supply chain?
Supplying products to supermarkets and
consumers. It gives us a diverse range of food options however this gives up a large carbon footprint
Why do we want food that has travelled so far?
We wants it because it means people can eat seasonal food all year round.
What is monoculture?
It is when you only have one type of plant growing in a place, like a palm plantation. It is a very vulnerable to pests and disease. As a result is the loss of diversity.
Greenhouse gases can be released by human activity, such as
-burning of fossil fuels, which releases carbon dioxide into the atmosphere.
-deforestation, as trees absorb carbon dioxide and store carbon.
-food waste, which creates methane when it breaks down.
Climate change is causing
Global temperatures to increase and average sea levels to rise.
