By Steve Nash
The mountain chain referred to as the Blue Ridge lines a 550-mile arc via Pennsylvania, Virginia, North Carolina, Tennessee, South Carolina, and Georgia. alongside the way in which, it encompasses Shenandoah nationwide Park, nice Smoky Mountains nationwide Park, the Blue Ridge expressway, seven nationwide forests, various federal desolate tract parts and kingdom parks, and components of the Appalachian path. it's the greatest focus of public lands east of the Mississippi and residential to an surprising range of plant and animal lifestyles. yet because the so much large normal sector within the more and more populous Southeast, the Blue Ridge atmosphere faces specified demanding situations within the subsequent decades.Drawing on clinical learn in various disciplines, journalist Steve Nash offers a transparent and evenhanded creation to a few of the main hotly disputed environmental concerns dealing with the Blue Ridge, together with the invasion of unique vegetation and bugs, the explosive development of suburban-style groups in ordinary components, worsening air and water pollutants, and the erratic administration of nationwide forests. Informative and hugely readable, Blue Ridge 2020 takes a difficult examine what's in danger in those mountains and what we—as the "owners" of the general public lands—must do if we intend to maintain their destiny.
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Additional info for Blue Ridge 2020: An Owner's Manual
Here are some: ∂ The most fundamental issue is whether the United States needs a more stringent and comprehensive national policy on harmful exotics. There is general agreement that the United States has no such policy now. S. ’’ ∂ Existing laws have signiﬁcant gaps. One presidential Executive Order on controlling exotics issued in the 1970s has still not been fully implemented. S. system for dealing with harmful exotics involves a ‘‘complex interplay’’ of agencies whose roles are ill deﬁned. ∂ Federal and state agencies lack authority to deal with the invasion of exotics.
Sources: See plate 1) Plate 6. Three views of a national park. this is how our view of the landscape at Great Smoky Mountains National Park, and throughout the Blue Ridge, is affected by air pollution. These are computer simulations, based on 1988-95 observed data. The top view reproduces a clear summer day, but it includes natural or background haze; the middle view is an average summer day; the bottom view is a “worst day” pollution scene. Heavy pollution is common in summer. , Ft. 5 simulation program) Plate 7.
The same amount of warming that took thousands of years as the last ice age ended may occur in a single century of our newly improvised climate— 21 Balance and Disturbance 22 Balance and Disturbance SOLUTIONS 2 Climate Change on the Clock How long will it be before the industrial facilities that emit the greenhouse gases that contribute to global warming are replaced under typical economic conditions? Years to decades, unless they are required to close earlier. If emissions of greenhouse gases stop increasing, how long will it be until concentrations of those gases are stabilized in the atmosphere?
Blue Ridge 2020: An Owner's Manual by Steve Nash