an increase in Earth’s average surface temperature

gases in the atmosphere that keep it warmer than it would be without them

releases of greenhouse gases into the atmosphere

the calculated total amount of greenhouse gases emitted by an activity

Climate change and food production

Science

Pupils will learn about biomass transfer including calculating the efficiency of transfers between trophic levels. They will learn about human impacts on the environment, food security and biotechnology to help maintain biodiversity and achieve food security.

In the Climate change and greenhouse gases unit, pupils learnt about greenhouse gas emissions from transport and industry, and the use of renewable energy resources and changes to transport infrastructure that could reduce emissions.

In this unit pupils learn about the impact of agriculture and deforestation on biodiversity, and to more thoroughly consider the effects of climate change on biodiversity and food production.

Climate change and biodiversity

True or false? Rearing cows for food does not cause any emissions of greenhouse gases.

According to the bar chart, which food has the highest carbon footprint?

According to the bar chart, which stage of producing rice contributes the most emissions to rice’s carbon footprint?

According to the bar chart, which food generates the largest amount of emissions from animal feed?

Which meal is likely to have the lowest carbon footprint of emissions and therefore be the best choice to help limit climate change?

True or false? Buying fish instead of pig meat will reduce emissions.

Greenhouse gases are gases in the atmosphere that keep Earth {{}} than it would be without them.

… an increase in Earth’s core temperature.

… an increase in Earth’s average surface temperature.

… an increase in Earth’s surface temperature everywhere.

… emissions of greenhouse gases from the Earth itself.

Most scientists agree that recent rapid climate change and global warming are being caused by …

Different stages of producing food cause different amounts of emissions of greenhouse gases, as shown in the bar chart. The **total** amount of emissions for each food is called its carbon {{}}.

Put the stages of producing beef into order starting with the largest to the smallest amount of emissions.

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