Climate Change Controversies - The paper informs about some controversies dealing with the climatic change recently appeared on the international press. Particularly are examined the argumentations exposed on the New York Times by the physicist Freeman Dyson about the remedies proposed on the occasion of a lecture he held at Yale in 2008. Some details are given too on the results of a research, which same Dyson makes reference, conducted by the economist William Nordhaus in order to quantify aggregated expenditures and costs and gain of the measures to be taken in order to contrast climatic change according to a purely economic methodology. Finally the statements the Royal Society of the United Kingdom released about the scientific basis of the arguments advanced by the people sceptic on the matter of climatic change are reported.
Keywords: global warming, greenhouse gases, biotechnologies and CO2 removal, economic evaluation of possible remedies
JEL classifications: Q5
Parole chiave: riscaldamento globale, gas serra, biotecnologie e rimozione della CO2, valutazione economica dei possibili rimedi