NSBE - Convention 2018 - 50

CLIM ATE

CHANGE

CONTINUED FROM PAGE 49

RESTORING THE NATURAL ENVIRONMENT
Rachel Toker

President and Chief Executive Officer
Urban Ecosystems Restoration, Inc.
Rachel Toker began her career as an attorney, but she has always been an environmentalist. In her current work, she and her colleagues
create spaces that either recreate or restore the natural systems that were here before people removed them for buildings and hardscapes
(human-made features used in landscape architecture, such as paths or walls). In doing this, she and her team restore forests and other
native ecosystems that trap carbon in the vegetation and the land. Part of this work restores healthy and living soils, which hold carbon in
the land as well. Also, by reducing "heat islands" and creating shade, they help reduce the need for power generated by fossil fuels.

important, we will tell you about some of the work engineers are
doing in this field, to keep the world a cool place for our future.

WATER
Climate change impacts water in many different ways, often
stemming from increased global temperature, which melts
glaciers. Glaciers reflect sunlight, keep the atmosphere cool
and regulate weather patterns. As the glaciers disappear, their
benefits do as well, causing problems like sea level rise, flooding
and drought.
The number of dangerous
floods has been increasing
and is projected to continue
to increase. Flood events that
historically may have happened once every 100 years -
on average, based on historical
data - will start to occur more
often. Although the intensity
and frequency of precipitation
events are expected to increase
in many parts of the world
because of climate change,
rainfall will decrease in many
areas that are already dry,
causing increased and prolonged droughts. Surface and

groundwater supplies are being depleted at an alarming rate,
and the water cycle processes that normally refill them are being disrupted. Moreover, droughts can greatly increase the risk
of forest fires as well as mudslides.

AIR
We've already discussed how greenhouse gases in the atmosphere are warming the planet, so we know climate change is
being caused by greenhouse gas pollution. But did you know
climate change also makes air
pollution worse? When air is
hotter, it traps more pollution,
makes allergy season longer and
causes forest fires that release
harmful smoke into the air. Air
pollution is also a serious health
concern. Climate change and
air pollution have been associated with stroke, cancer, heart
disease and respiratory illnesses
such as asthma.

ENERGY
Energy use, not including
transportation, is responsible for
more than half of the United
States' greenhouse gas emissions.

DESIGNING BETTER LANDFILLS
Tarek Abichou, Ph.D., P.E.

Professor of Civil and Environmental Engineering
Florida A&M University/Florida State University College of Engineering
Dr. Abichou develops solid waste management practices to reduce groundwater, soil and air pollution. By 2025, open dumpsites will
produce 8 to 10 percent of the greenhouse gas emissions caused by human activity. Dr. Abichou helps mitigate climate change by
researching new technologies that reduce emissions from landfills, such as bio-oxidation of methane (CH4) using natural bacteria.

50 | CONVENTION 2018 |

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Table of Contents for the Digital Edition of NSBE - Convention 2018

Contents
NSBE - Convention 2018 - Cover1
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NSBE - Convention 2018 - 1
NSBE - Convention 2018 - Contents
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