Unit 11.5 What can we do about it?

Fill in the Blank

A ‘carbon footprint’ is a good indicator to show the amount of _________ ____ produced by an individual or society.

Multiple Select

Which measure(s) can remove GHGs?

• Plant more tree

• Develop renewable energy resources

• Keep ocean clean

• Carry out waste separation and recycling

Multiple Select

Which measure(s) can slow down emission of GHGs?

• Stop using products that contain man-made GHGs

• Reduce energy consumption

• Keep ocean clean

• Carry out waste separation and recycling

​More examples of renewable energy resources:

• solar energy (太陽能)

• tidal power (潮汐能)

• hydro-electric power (水電)

• geothermal power (地熱能發電)

• wave energy (波浪能)

• biological energy​ (生物能源)

Multiple Select

Personally, what can we do to deal with climate change?

• Passes laws to increase the energy efficiency of new buildings

• Walk or ride a bike if the travelling distance is short

• Use products with CFCs

• Eat less meat

Multiple Select

What measures were done by Mainland China to improve the visibility in Hong Kong recently?

• Close down factories that are energy inefficient or moved them away from the ZDR

• Increase the energy efficiency of new buildings

• Setting up stricter pollution control measures

• Encourages cycling to travel to work and school to reduce the emission of CO²

Multiple Select

At the national level, what can we do to deal with climate change?

• Encourages cycling

• Increase the use of natural gas

• Practises waste separation

• Requires businesses to buy permits for emitting GHGs

At the national level, what can we do to deal with climate change?

​"Increase the use of natural gas" is not corrected!

Natural gas (also called fossil gas or simply gas) is a naturally occurring mixture of gaseous hydrocarbons consisting primarily of methane in addition to various smaller amounts of other higher alkanes. Natural gas is a fossil fuel and non-renewable resource.

Multiple Select

Which of the following measures can be carried out to lower Co² in Hong Kong?

• reduce energy consumption

• promote rooftop greening

• convert urban to rural areas

• convert heat energy produced from sludge incineration process to electricity

Multiple Choice

According to the Copenhagen Accord 2009, the USA, _______ and other major LDSs agreed for the first time to cut GHGs emissions.

• China

• Japan

• United Kingdom

• France

Multiple Choice

Which type of countries are needed to reduce emission of GHGs under the Kyoto Protocol 1997?

• MDCs

• LDSs

• Countries are badly affected by global warming

• Countries with the largest population size

Multiple Choice

Under Paris Agreement 2015, all countries agreed to work together to keep the increase in global temperature below _____ above pre-industrial levels.

• $$1\degree\ C$$  

• $$1.5\degree C$$  

• $$2\degree C$$  

• $$2.5\degree C$$