Morální ponaučení ze Sandy

KODAŇ – Když 29. října zasáhla východní pobřeží Spojených států „superbouře“ Sandy, nejenže zaplavila newyorské metro a o týden později se pro 15% amerických voličů stala nejvýznamnějším faktorem prezidentských voleb konaných o týden později. Kromě toho také znovu vzkřísila nepodložené tvrzení, že podobné události způsobuje globální oteplování, a zároveň i morálně nezodpovědný argument, že bychom měli budoucím obětem hurikánu pomoci snížením emisí CO2.

Bezpočet rozumbradů, od Billa Clintona po Roberta Redforda, přičetl superbouři Sandy klimatickým změnám. Snad nejvíce bila do očí obálka týdeníku Bloomberg Businessweek, kde se nad fotografií zaplaveného Manhattanu skvěl obří titulek „JE TO V GLOBÁLNÍM OTEPLOVÁNÍ, HLUPÁKU“.

Globální oteplování je reálné a snižování emisí CO2 je dobrý nápad, pokud jsou náklady na snížení nižší než rozsah škod, jimž se tím podaří předejít. Zrnko pravdy je i na spojitosti mezi hurikány a globálním oteplováním: Mezivládní panel OSN pro změny klimatu (IPCC) očekává ke konci tohoto století nižší počet hurikánů, ale s vyšší intenzitou.

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