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Exposed to the effects of extreme weather events , our livelihood and traditions as island people , in fact our whole civilization , are under greater threat than ever before . Depending on assumptions and global warming potentials of the different pollutants involved , improving biomass stoves can achieve a double benefit in the form of lower GHG emissions and reduced ill-health . She published several volumes of " oracles , " or literary extracts , as " drawing-room diversions " with an educational benefit so that " the young may become familiar with something in an attractive form from the whole range of Poetry . Key factors in the success of the programme include a uniform technical design for easy replication ; quality control and monitoring of production ; installation and after-sales services tied with incentives for private companies ; and financial support for end-users , through a subsidy of US $ 70 – 150 per household biogas plant plus easy access to financing through micro-credit schemes ( Pandey 2004 ) . It is a threat to health , since a warmer world is one in which infectious diseases such as malaria and yellow fever will spread further and faster . A massive clean-up operation was also organized during World Environment Week ( 4-10 June ) at the dune belt between Swakopmund and Walvis Bay . Additional concerns are increased risk of desertification in Northern Africa and on the southern border of the Sahel , and reduced availability of freshwater in Southern Africa , resulting in lowered food security and the spread of infectious diseases ( notably malaria ) to new areas . Poorer countries have fewer cars , but more two - and threewheeled vehicles with dirtier two-stroke engines , and older fleets of vehicles with inefficient or badly maintained engines , and no or poorly functioning emission control devices . These reforms aimed at restoring balances in the economy and at creating a basis for sustainable growth by liberalizing key markets from excessive state control .