4.7.2009: America's 4 July bonfires served a dual purpose yesterday. They burned the wood of trees destroyed by a trio of bugs that are devastating parts of the nation's forests.
With 750 million acres of forests in the United States, the scale of the problem is massive. Since 1999, the country has lost, on average, 1 per cent of its tree cover per year. This means these small insects have killed about 10 per cent of all US forests in 10 years.
