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Climate Change classes 1
UQ 3 May 07 Cars and ozone
UQ 2 Mar 07 Urban air
Climate change 2007 IPCC special
UQ 1 Nov Dec 06 Particles in air
Special: Oct. 2006 Communication
Nr 10 Sept. 2006 Africa's emissions
Nr 9 July 06 Air traffic
Special: June 06 Climate summit
Nr 8 April 2006 Ozone & N2 cycle
Nr 7 March 2006 Climate modeling
Nr 6 Feb. 2006 acid rain
Nr 5 Jan. 2006 oceanic sulfur
Special: Nov 05 Ozzy Ozone
Nr 4 Oct. 2005 light/satellites
Special: Sept 05 Cyclones
Nr 3 Sept. 2005 methane/energy
Special: July 05 Greenhouse Earth
R: Potential extreme values
R: a model calculation
C: the role of particles
L: Links
Nr 2 June 2005 forest/aerosols
No 1 May 2005 vegetation/CO2
     

Greenhouse Earth

Do we underestimate the global warming of tomorrow due to the air pollution of today?

Special edition on the occasion of a 'Nature' article on 2005-06-30 .
 

July 2005 -  special Logo

Researchers warn of a worldwide temperature increase beyond what we have so far imagined.

Content

ACCENT online special

July 2005

geography

Geography

    
research

Strong present-day aerosol cooling implies a hot future

The forecasts about the climate of tomorrow are not really optimistic. On June 30th 2005 the science magazine 'Nature' published an article which even amplifies the fear about a hot future on our planet. The authors say that today's dust in the air and its potential decrease in the future is not sufficiently included in the present climate models. The more particles cool the Earth at the moment, the hotter the future climate may become. [ more ]
 

research 

A simple model calculation

Why is the impact of aerosols so important for estimations of the future climate? The problem of the modellers can easily be understood if we use a simple example ... . [ more ]

 

context 

Context: Global dimming

The influence of greenhouse gases is well understood. There are large uncertainties however concerning the impact of particles. We asssume that they cool down the lower atmospheric layer next to the Earth and therefore they counteract the greenhouse effect. This is because particles keep sunlight away from the Earth. Some scientists call this process "global dimming". [ more ]
 
links 

Links

Further information on particles, their origin and their diverse impact is described in the ESPERE climate encyclopaedia. Among the links you will find a selection of relevant articles. [ more ]

 

information for teachers 

Information for teachers

This special edition can be used in classes with the context 'greenhouse effect'. It is offered as a short release without the categories 'activities' and 'further information' for integration into classes.

Click here to access the: material corner

 

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last updated 08.04.2008 | © ACCENT - Atmospheric Composition Change 2013