How do human activities affect the environment Human

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How do human activities affect the environment?

How do human activities affect the environment?

Human impacts on the Environment Global warming Use of machinery by humans seems to

Human impacts on the Environment Global warming Use of machinery by humans seems to be increasing CO 2 levels in the air. CO 2 prevents heat from escaping Rising water temperatures causes coral bleaching

Human impacts on the environment Deforestation • Caused by demand for wood products, need

Human impacts on the environment Deforestation • Caused by demand for wood products, need for space, farmland, housing, roads • Deforestation causes habitat fragmentation. Animals and plants are forced into confined areas

Human impacts on the Environment Ozone depletion • Caused by aerosol chemicals called chlorofluorocarbons

Human impacts on the Environment Ozone depletion • Caused by aerosol chemicals called chlorofluorocarbons (CFCs) • CFC’s – Escape into atmosphere, reacts breaking down the ozone – UV rays penetrate the atmosphere and cause harm to many organisms

“HOLE” in the ozone (O 3)

“HOLE” in the ozone (O 3)

Human impacts on the Environment Fishing activities • Demand for fish and shellfish •

Human impacts on the Environment Fishing activities • Demand for fish and shellfish • Commercial Fishing can be harmful to the environment

Human impacts on the environment Invasive species (EXOTIC SPECIES) • Introduced by people accidentally

Human impacts on the environment Invasive species (EXOTIC SPECIES) • Introduced by people accidentally or intentionally • Can cause problems if no natural enemies are present

Human impacts on the Environment Exotic pet trade • Capture and sell wild animals

Human impacts on the Environment Exotic pet trade • Capture and sell wild animals from exotic locations • Animals removed from their habitat causes an imbalance in the ecosystem

Importance of the Environment Biodiversity = Many different types of organisms • Organisms depend

Importance of the Environment Biodiversity = Many different types of organisms • Organisms depend upon one another • Interfering with one Organism can have a Ripple effect to many w/in the habitat

Importance of the environment Natural resources: Non-renewable includes fossil fuels (petroleum, coal) can run

Importance of the environment Natural resources: Non-renewable includes fossil fuels (petroleum, coal) can run out

Importance of the Environment Natural resources Renewable energy sources include wind power, geothermal energy,

Importance of the Environment Natural resources Renewable energy sources include wind power, geothermal energy, ocean currents

Pollution: • Agricultural – DDT – Fertilizers – Animal wastes (nitrogen) • Homes –

Pollution: • Agricultural – DDT – Fertilizers – Animal wastes (nitrogen) • Homes – Strong cleaning agents • Industry – Toxic gases and wastes – Acid rain

ENVIRONMENT ENVIRONMENT Define environment ENVIRONMENT Environment the socialENVIRONMENT ENVIRONMENT Define environment ENVIRONMENT Environment the social
How Human Activities affect the Environment Table ofHow Human Activities affect the Environment Table of
Human Activities Affect The Environment Humans Use ManyHuman Activities Affect The Environment Humans Use Many
Economic Activities Primary Activities Secondary Activities Tertiary ActivitiesEconomic Activities Primary Activities Secondary Activities Tertiary Activities
BUSINESS ENVIRONMENT BUSINESS ENVIRONMENT What is Environment EnvironmentBUSINESS ENVIRONMENT BUSINESS ENVIRONMENT What is Environment Environment
Analyzing Marketing Environment ENVIRONMENT Macro Environment Micro EnvironmentAnalyzing Marketing Environment ENVIRONMENT Macro Environment Micro Environment
HOW HUMAN ACTIVITIES AFFECT ECOSYSTEMS Human populations haveHOW HUMAN ACTIVITIES AFFECT ECOSYSTEMS Human populations have
The Environment How can social the environment affectThe Environment How can social the environment affect
The Environment How can social the environment affectThe Environment How can social the environment affect
Human Impact the Environment Human Activities and ImpactHuman Impact the Environment Human Activities and Impact
Biological Diversity Conservation Human Activities affect the biosphereBiological Diversity Conservation Human Activities affect the biosphere