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How do we use what we have to meet our needs?

What are the renewable and non-renewable natural resources in Maryland?

Renewable Renewable Resources in MDResources in MD

Land & Raw MaterialsLand & Raw Materials SoilSoil FarmlandFarmland On the farm…On the farm… The Chesapeake BayThe Chesapeake Bay ForestsForests

PowerPower GeothermalGeothermal BiomassBiomass WindWind SolarSolar

SoilSoilSoil provides the minerals and nutrients that plants need to live.

We Marylanders eat those plants in order for us to survive.

Soil can be damaged in many ways. Even though it is a renewable resource, we still need to carefully maintain it.

FarmlanFarmlandd Maryland farmers Maryland farmers

grows corn, grows corn, soybeans, winter soybeans, winter wheat and barley for wheat and barley for resale.resale.

Grapes are fast Grapes are fast becoming a cash crop becoming a cash crop as well.as well.

Did you know that Maryland has 2 million acres of farmland?

Beets, Greens, and Gourds do well in our soil and climate too.

Watermelons and strawberries fit our growing season too.

On the On the farm..farm.. Hogs, pigs, cows, sheep,

chickens and turkeys all need responsible farmers to raise them. From the chickens-we

utilize the eggs and then eventually the bird itself.

We use their coats to make cloth.

Swine provide us with a variety of meat products.

Cows provide us with many dairy products as well as meat.

The Chesapeake The Chesapeake BayBay

Did you know that our Chesapeake Bay is the largest estuary in the United States?

The Chesapeake The Chesapeake Bay is over 200 Bay is over 200 miles long.miles long.

The word The word Chesapeake means Chesapeake means “great water” in “great water” in Algonquian, a native Algonquian, a native tribe of this area.tribe of this area.

The Bay is home to The Bay is home to over 300 varieties of over 300 varieties of crustaceans, aquatic crustaceans, aquatic plants, insects and plants, insects and fish.fish.

The surrounding The surrounding wetlands are home wetlands are home to even more to even more varieties of wildlife.varieties of wildlife.

Aquaculture on the BayAquaculture on the Bay

Our Bay and its tributaries “farm” Our Bay and its tributaries “farm” tilapia, catfish, crawfish, trout, oysters tilapia, catfish, crawfish, trout, oysters and soft crabs for resale around the and soft crabs for resale around the world.world.

85% of our total resale aquaculture 85% of our total resale aquaculture consists of what is commonly referred consists of what is commonly referred to as “ornamentals”. “Ornamentals” to as “ornamentals”. “Ornamentals” are organisms like goldfish, bay are organisms like goldfish, bay grasses and koi.grasses and koi.

Aquaculture is farming of the water.Aquaculture is farming of the water.

ForestsForests Forestry is the 5Forestry is the 5thth largest industry in largest industry in

Maryland.Maryland. We supply lumber (for construction), We supply lumber (for construction),

pulpwood (for making paper and “Green” pulpwood (for making paper and “Green” energy) and piling (chemically treated energy) and piling (chemically treated wood using for the making of wood using for the making of foundations).foundations).

pulpwoodpilings

GeothermaGeothermal Energyl Energy

This geothermal energy originates from This geothermal energy originates from the original formation of the planet, from the original formation of the planet, from radioactive decay of minerals, and from radioactive decay of minerals, and from solar energy absorbed at the surface. It solar energy absorbed at the surface. It has been used for space heating and has been used for space heating and bathing since Ancient Rome, but is now bathing since Ancient Rome, but is now better known for generating electricity.better known for generating electricity.

Can you guess which elementary Can you guess which elementary school in Prince George’s County school in Prince George’s County has a geothermal heating and has a geothermal heating and cooling system?cooling system?

Vansville Elementary in Beltsville.Vansville Elementary in Beltsville.

There is a Geothermal Room located in the building which serves as a control room for the 3 high tech systems located near the school building.

BiomassBiomass Biomass refers to plant matter grown to Biomass refers to plant matter grown to

generate electricity or already produced generate electricity or already produced trash such as dead trees and branches, trash such as dead trees and branches, yard clippings and wood chips.yard clippings and wood chips.

Industrial biomass can be grown from Industrial biomass can be grown from numerous types of plants, including corn, numerous types of plants, including corn, poplar, sugarcane, and a variety of tree poplar, sugarcane, and a variety of tree species.species.

WinWindd We convert wind energy into We convert wind energy into

electricity or just use it directly.electricity or just use it directly. Wind “farms” in Maryland are Wind “farms” in Maryland are

located in the mountain region of located in the mountain region of Western Maryland and a few on Western Maryland and a few on the Eastern Shore. the Eastern Shore.

Wind farms

SolarSolar We use this infinite resource in 3 ways: We use this infinite resource in 3 ways:

passive solar heatpassive solar heat active solar heatactive solar heat Photovoltaics (solar cell)Photovoltaics (solar cell)

The first two energy The first two energy sources involve collecting sources involve collecting the heat produced by the the heat produced by the sun for use in heating living sun for use in heating living or working space, or hot or working space, or hot water. water.

Photovoltaics (solar cell) uses the Photovoltaics (solar cell) uses the light produced by the sun (or any light produced by the sun (or any light source) to generate electricity light source) to generate electricity directly. Sunlight striking a directly. Sunlight striking a photovoltaic causes a voltage and photovoltaic causes a voltage and current to be created in a current to be created in a semiconductor that can be used just semiconductor that can be used just like the electrical energy from a like the electrical energy from a battery.battery.

Let’s review:

Renewable Renewable Resources in MDResources in MD

Land & Raw MaterialsLand & Raw Materials SoilSoil FarmlandFarmland On the farm…On the farm… The Chesapeake BayThe Chesapeake Bay ForestsForests

PowerPower GeothermalGeothermal BiomassBiomass WindWind SolarSolar

Non-Renewable Non-Renewable Resources in MDResources in MD

CoalCoal Natural GasNatural Gas Rocks and MineralsRocks and Minerals

CoalCoal Coal is a fuel.Coal is a fuel. It can be burned to make useful heat or It can be burned to make useful heat or

energy.energy. Burning coal causes water to turn to Burning coal causes water to turn to

steam, which causes generators to spin steam, which causes generators to spin and make electricity.and make electricity.

Western MD has 2 underground and 14 surface coal mines.

57% of MD’s electricity is produced from coal!

Natural Natural GasGas

Made from fossils-called a Made from fossils-called a fossil fuelfossil fuel

Found in porous rocksFound in porous rocks

Garrett County,

Allegany County

Rocks and Rocks and MineralsMinerals

Maryland uses and sells crushed Maryland uses and sells crushed stone, cement, construction sand stone, cement, construction sand and gravel and various clays.and gravel and various clays.

Crushed StoneLaurel Sand & Gravel- Laurel, MD

Quarry in Savage, MD

Let’s review:

Non-Renewable Non-Renewable Resources in MDResources in MD

CoalCoal Natural GasNatural Gas Rocks and MineralsRocks and Minerals