User guide

Finding your way around the guide

To navigate between pages, click or tap the arrows to go forwards to the next page or backwards to the previous one. The arrows can be found either side of the page and at the bottom, too (circled in green, below).





Menu/table of contents

Click or tap on the three horizontal lines in the top-right of your screen to open the main menu/table of contents. This icon is always visible whether you're using a computer, tablet or smartphone. The menu will open on top of the page you’re on. Click on any section title to visit that section. Click the cross at any time to close the table of contents.


Text size

On a computer, you'll see three different sized letter 'A's in the top-right of your screen. On a smartphone or tablet these are visible when you open the menu (see above). If you’re having trouble reading the guide, click or tap on each of the different 'A's to change the size of the text to suit you.



On some images you'll see a blue double-ended arrow icon. Clicking or tapping on this will expand the picture so you can see more detail. Click or tap on the blue cross to close the expanded image.

Where we think a group of images will be most useful to you, we've grouped them together in an image gallery. Simply use the blue left and right arrows to scroll through the carousel of pictures.



If you see a word or phrase that's bold and dark blue, you can click or tap on it to find out more. The relevant website will open in a new tab.



If you see a word or phrase underlined, click or tap on the word and small window will pop up with a short explanation. Close this pop-up by clicking or tapping the cross in the corner.



On a computer, you'll see a question mark icon in the top-right of your screen. On a smartphone or tablet this is visible when you open the menu (see above).

Clicking or tapping on the question mark will open this user guide. It opens on top of the page you're on and you can close it any time by clicking or tapping the cross in the top-right corner.



  • Carbon dioxide (CO2): a gas that occurs naturally in the Earth’s atmosphere and is also the main greenhouse gas produced by human activities
  • Carbon footprint: the amount of carbon dioxide (or the equivalent in other greenhouse gases) released into the atmosphere as a result of the activities of an individual or organisation
  • Climate Assembly UK: a randomly selected and representative group of over 100 UK citizens, aged 16–79, tasked with working out how the country should reach the 2050 net-zero target
  • Department for Environment, Food & Rural Affairs (Defra): the government department responsible for safeguarding the natural environment, supporting food and farming industries, and sustaining rural economies
  • Electric car: a zero-emission car that is powered entirely by a battery-driven electric motor
  • Greenhouse gas: naturally and human-produced gases, including carbon dioxide, that trap heat in the atmosphere and warm the Earth’s surface, contributing to global warming
  • Greenwashing: the process of conveying a false impression or providing misleading information about how a company’s products or services are more environmentally sound
  • Net zero: a target of completely negating the amount of greenhouse gases produced by human activity, to be achieved by reducing emissions and implementing methods of absorbing CO2 from the atmosphere
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