Human activities result in a wide array of pollutants being released to the atmosphere. A
number of these pollutants have direct effects on plants, including carbon dioxide (CO 2) …

Human-caused CO 2 emissions over the past century have caused the climate of the Earth
to warm and have directly impacted on the functioning of terrestrial plants. We examine the …

Amid the ongoing political and scientific debate over the consequences of the" greenhouse
effect," most concern is focused on the prospect of changes in the global climate. That the …

Currently, there is unprecedented scientific and societal emphasis on assessing future
anthropogenic changes in global temperature and the subsequent impacts on managed and …

The dynamics of the terrestrial ecosystems depend on interactions between a number of
biogeochemical cycles (ie carbon, nutrient, and hydrological cycles) that may be modified by …

Plant responses to the projected future levels of CO2 were first characterized in short-term
experiments lasting days to weeks. However, longer term acclimation responses to elevated …

As global population increases and industrialization expands, carbon dioxide (CO2) and
toxic air pollutants can be expected to be injected into the atmosphere at increasing rates …

Measurements of atmospheric O2 and CO2 concentrations serve as a widely used means to
partition global land and ocean carbon sinks. Interpretation of these measurements has …

Increasing concentrations of atmospheric CO2 are predicted to impact both current and
future ecosystems. Elevated CO2 is also predicted to affect biological processes at many …

Over the past 25 years, countless experiments have been conducted on the impact of
increased atmospheric CO 2 concentration on various plants and ecosystems. While this …