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Climate Change

Page history last edited by catrin treanor 3 years, 10 months ago

c

 

Climate Change

 

You need to know:

 

  • Evidence for climate change over the last 20 000 years
  • Possible causes -
  • Possible effects - global, regional (a tropical region), British Isles.
  • Responses - international, national, local

 

 

The CAUSES of CLIMATE CHANGE      climate change causes.docx

 

useful links... 

 

 

THE EVIDENCE?

 

what's happening to global average temperature? 

How hot will it get in your life time? - have a go at this!

 

Make notes - use S+K page 70/71 and Barker p76/8 -

Describe each technique and comment on their reliability...    EVIDENCE.docx

When commenting on reliability note the techniques where:

  • the changes are inferred, such as vegetation and beetles
  • There may be weaknesses in the data as pollen can travel long distances in the wind, trees can respond more readily to moisture than actual temperature changes. Also trees don't live for that long so the evidence is limited.
  • Any records based on people's observations might have an element of bias.

 

Note how you could organise your work - physical evidence, biological evidence and observations.  

Over the last 20000 years:

  • Glacial and post glacial deposits
  • Fossil landscapes
  • Changes in sea level
  • Shifts in vegetation belts
  • Dendrochronology
  • Sea floor analysis
  • Ice core analysis - watch the prof! BBC clip http://www.bbc.co.uk/education/clips/zn6rkqt 
  • Radiocarbon dataing
  • Coleoptera beetles

and in recent times - the current warming trend is of particular significance and proceeding at a rate that is unprecedented in the last 1300 years... evidence:

  • sea level rise
  • global temperature rise
  • warming oceans
  • shrinking ice sheets
  • declining Arctic sea ice
  • glacial retreat
  • extreme events 

READ MORE HERE  (pages from NASA)

 

Who are the IPPCwatch their video from 2013 -

 

 Hot Planet - an hour long BBC documentary well worth watching for the effects of climate change and it's presented by Prof Iain Stewart!

 

Manchester University have some good research as a starting point.

 

Use the Met Office fact sheets too as well as their  video. http://www.metoffice.gov.uk/climate-guide

 and, ofcourse, your text book.

 

THE EFFECTS

 

The latest IPCC report (2014) states:

  • Warming is "unequivocal" and the human influence on climate is clear
  • The period from 1983 to 2012 was likely the warmest 30 year period of the last 1,400 years
  • Warming impacts are already being seen around the globe, in the acidification of the oceans, the melting of arctic ice and poorer crop yields in many parts
  • Without concerted action on carbon, temperatures will increase over the coming decades and could be almost 5C above pre-industrial levels by the end of this century

WATCH an overview of the latest IPCC report

 

For GLOBAL EFFECTS complete this table, using S+K and the links below 

 

Use this interactive map to research effects around the world.

 

 

The latest estimates of sea level rise this century?    bcc - watch IPCC report on sea levels.

 

Kiribati, Pacific nation - disappearingsinking states

 

Arctic Sea Ice - worth reading these key questions and the 2013 summary (listen!)  MORE detail on the Arctic Report Card - (watch !)

are there any positives to Arctic Sea Ice melting - shipping routes!

 

Global food insecurity will increase - detailed graphics here  

 

coral reefs http://www.bbc.co.uk/news/science-environment-34472026

 

 

The Impact on the UK -

  • Firstly note the changes to the UK's climate by reading S+K page 77/8 - what is going to happen to Temperature and Precipitation.
  • Now consider the possible changes to the Gulf Stream and what influence this might have - see S+K page 84/86

 

Then...

 

  1. use this table to help you collate your research.  To complete the table begin with Barker first (page 84 onwards) then use S+K page 77
  2. Once your table is complete - see what you add from the links below.
  3. Then colour code the impacts - environmental, economic, social, political...
  4. Now you should be ready to turn this into an answer: Discuss the possible effects of climate change on the British Isles (10)

 

 watch these video extracts from the BBC programme 'Climate Change: Britain under threat' . Does climate change explain the UK's weirdest weather 2012 ? Is it responsible for extreme winter's floods?

 

The BBC's climate change experiment explores the effects of climate change in Britain and reports on typical days in 2020, 2050 and 2080 - watch these videos! Climate change will also affect our coastal areas and the Gulf stream, having an impact on average temperatures.

 

 

Prof Sir John Beddington said there was a "need for urgency" in tackling climate change

 

Research the effects on India's monsoonal climate.

 

The impact on your chosen tropical region - Tropical Monsoon Climates (how the monsoon rains form)

 

Follow the links below to help you evaluate the possible effects of global warming on your tropical region...

 

What effects will climate change have on a monsoonal climate - read this story from Bangladesh.  What can be done to combat the effects of climate change in Bangladesh, there are suggestions of climate resistant agricultural techniques  Is the world helping the people of Bangladesh to adapt?  

Watch this news focus report.

 

Report in the Guardian 2008:

Rahman, one of the world's most respected development thinkers, and a lead author with the Intergovernmental Panel on Climate Change, warns: "We expect the severity of extreme events to increase. Their frequency will also increase. At least 20% of the country will be inundated with salt water, so our food system will collapse. Some 20 million people will be displaced over time. When the next cyclone comes, it will penetrate further and it will kill more people. The refugees have started. People are moving already. The tides are getting higher. All this translates into catastrophe.

"Rich countries do not have the right to inundate us. Governments plans five years ahead, but climate change needs 20 to 30 years. For the victims, they plan one day ahead. It is one of the greatest intellectual challenges ever faced."

 

Climate change could have serious impacts on HEALTH in Bangladesh as well as geographical changes including rising sea level and increases in extreme weather events. Increases in water bourne disease, malnutrition, incidents of drowning and heat stress are likely

 

 

Climate Change - Bangladesh Climate Change Fund

 

Responses to Climate Change

 

Follow these links to help you complete the tasks on this handout

 

TIMELINE of international responses - doc to help you - OR GOOGLE DOC

 

everything you need to know?

 

International...

The Green Climate Fund     

 a fund aiming to redistribute money from the developed to the developing world, in order to assist the developing countries in  practices to counter climate change.  It has an ambitious target of raising $100 billion a year by 2020. ]Only a fraction of this sum had been pledged.

                                     

How effective has the KYOTO PROTOCOL been - read this for the key points.

 

 The Paris climate summit, the 21st Conference of the Parties, 30 November to 11 December 2015 - a success? http://www.bbc.co.uk/news/science-environment-35073297   WATCH NEWS SUMMARY

What will happen when Obama stands down?

 

 COP20 in LIMA   - outcomes.   The lead up to this: New York, Sept 2014  - a useful summary of the key outcomes in this blog from The Guardian

 

Rich world countries 'outsource' their Carbon Emissions! How??  

The UN's Climate Change site -  and its Climate change Newsroom is worth a look

 

As part of a global effort to mobilize action and ambition on climate change, United Nations Climate Summit in September 2014 was  in  New York.

This Summit was aimed at catalysing action by governments, business, finance, industry, and civil society in areas for new commitments and substantial, scalable and replicable contributions to the Summit that will help the world shift toward a low-carbon economy. The Summit came one year before countries aimed to conclude a global climate agreement in 2015 through the United Nations Framework Convention on Climate Change. Although the 2014 Climate Summit was not part of the negotiating process, countries recognised the value of the Summit, including by welcoming the Secretary-General’s efforts in a Decision of the Doha climate conference in 2012.

 

 

Global Climate Talks in Warsaw, Poland in Nov 2013  - Last minute deal agreed

 A summary of key points here

 

In  December 2012 : BBC news reports... " UN climate talks in Doha have closed with a historic shift in principle but few genuine cuts in greenhouse gases. The summit established for the first time that rich nations should move towards compensating poor nations for losses due to climate change.

Developing nations hailed it as a breakthrough, but condemned the gulf between the science of climate change and political attempts to tackle it.

The deal, agreed by nearly 200 nations, extends to 2020 the Kyoto Protocol. It is the only legally-binding plan for combating global warming" - READ the rest of this report and consider the responses - watch the video clip.

 

 

The EU Emission Trading Scheme - How does it work?  WATCH   it is going to collapse?

 

 

 

National and Local response...

The Stern Report 2006  (summary here) recommends international action and the Guardian does a great summary.

 

 

The UK government's Carbon Plan - read its summary document.  and how will it reduce emissions by 80% by 2050 - read all about it!

UK's Climate Change Levy 

 

The UK Government's GREEN DEAL for homeowners - a review 

and at a local level:

 

Waverley Borough Council.  http://www.waverley.gov.uk/download/downloads/id/1813/surrey_climate_change_strategy.pdf

 

 

Guildford Borough Council's policies on reducing emissions and what can you do?

 

BEDZED - watch this

 

 

Extend your understanding:

Climate change - is it a good thing?

Impacts outlined in the BBCs First Report and the Guardian's Environment section

Who will suffer from climate change - the rich or the poor in Britain and around the world. Oxfam also explores these issues and is a source of much other information on climate change.

 

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