The Anthropocene - The Human Epoch: Documentary Reflection
Bioaccumulation
Gradual buildup of substances in living organisms over time
Typically pollutants or toxins
Occurs when an organism absorbs a substance at a rate greater than it eliminates or metabolizes it
Persistent organic pollutants (POPs)
Certain pesticides
Industrial chemicals
Environmental Issues
Impact on ecosystems
Presence of bioaccumulative substances in aquatic environments
Impact on aquatic life
Health issues
Reproductive problems
Impact on food webs
Ecosystem imbalances
Bioaccumulated substances can move through the food chain, with higher trophic levels experiencing greater concentrations
Risks for humans consuming organisms higher in the food chain
Biomagnification
Intensifies the concentration of substances as they move up the food chain
Consequences of Biomagnification
Climate Change
Influence on the distribution of toxins and pollutants
Feedback loops with the release of stored toxins
Improper disposal leading to environmental contamination
Role of Transnational Corporations
TNCs contributing to the production and distribution of toxins
Global trade impact on the spread of toxic substances
Over-consumption
Excessive production of plastics and chemicals
Plastic Waste Types and Recycling
Different plastics are identified by resin identification codes
Resin ID codes range from 1 to 7
Plastics are derived from polymers sourced from natural materials
Crude oil
Coal
Natural gas
Cellulose
Salt
Waste Management and Recycling
Variation in plastic recycling practices in different communities
Economic reasons
Mechanical reasons
Global Issue of Over-consumption
Increased production and disposal of non-recyclable plastics
Environmental Impact of Plastics
Non-recyclable plastics contributing to environmental pollution
Leads to long-term impact
Slow decomposition of plastics
Recycling and disposal are essential due to this
Human Health Concerns
Potential exposure to toxic chemicals from non-recyclable plastics
History of Plastic
Evolved from early semi-synthetic plastics to entirely synthetic ones
Bakelite
Cellophane
PVC
Polyethylene
Nylon
Polyester
Polystyrene
Cultural and Societal Impact
Integration of plastics into everyday life
Mass production
Environmental consequences
Evolution of Production Techniques
Lead to mass production and variety of plastics
Surged in the 1960s leading to environmental concerns and recycling initiatives
Environmental Activism
Campaigns against overconsumption and improper waste disposal
Innovation and Alternatives
Introduction of bioplastics as a sustainable alternative to traditional plastics
Plastics and Society
Overconsumption and limited recycling leading to a crisis
Crisis prompts efforts to reduce single-use plastics
Public awareness and frustration drive a potential revolution against single-use plastics
Possibility of eliminating single-use plastics from daily lives
Government and Corporate Responses
Bans
Restrictions
Initiatives to reduce single-use plastics
Sustainable alternatives
Plastic-free materials
Educational programs
Public Awareness and Activism
Shift in consumer and corporate behaviour towards sustainable practices
Impact on Human and Animal Health
Implications of plastic waste on health
Implications on the environment
Golden Spikes
Geological time scale
Official timeline of Earth's history
Marks significant events
Golden spikes indicate specific points
The Anthropocene epoch is debated due to multiple potential golden spikes
Technofossils serve as markers of human influence on Earth
Plastics
Concrete
Epochs and Anthropocene Debate
Identification of significant global events
Current debate on the beginning of a new epoch
Multiple potential golden spikes marking significant events
Scientific Decision-Making
Ratification of time periods by academic committees
Dominant signals and golden spikes
Human Impact on Earth
Human presence in the Holocene epoch
Potential shift to the Anthropocene epoch
Terraforming
Involves
Reshaping land for agriculture
Industrialization
Urbanization
Examples
Tree cutting
Deforestation in British Columbia
Creation of toxic garbage
Toxic garbage in the Dandora landfill
Population growth impact
Rapid population growth in Nigeria
Land scars from mining
Global Impact of Terraforming
Scale
Importance of human-induced environmental change
Scientific Study of the Anthropocene
Charting human influence on Earth through various markers
Importance of terraforming as a key marker
Human-induced changes in landscapes contribute to the Anthropocene epoch
Extinction
Mass Extinction in the Anthropocene
The Anthropocene is marked by a sixth mass extinction caused by human activities
Rapid Decline in Animal Species
Significant decline in animal populations due to human activity
Illegal poaching
Threats to elephants and rhinoceroses leading to population decline
Illegal Ivory Trade
Elephant Poaching
Extinction of species
Northern White Rhinoceros
Near-extinction of diverse rhinoceros species due to human activities
Ecosystem Loss and Smaller Species Decline
Ecosystem loss affects various organisms, not just large mammals
Insects
Birds
Fish
Habitat disruption due to human activities
Life Cycle of Plastics
Involves
Extracting crude oil
Extracting natural gas
Refining
Creating polymers
Cycle
Bottling processes
Distribution
Consumer use
Disposal
Resource Consumption
Inordinate amounts of natural resources required for plastic production
Environmental Impact of Production
Greenhouse gas emissions
Pollution from the production process
Waste Generation and Disposal
Landfill issues
Slow decomposition of plastics
Recycling is not perfect
Recycled plastic loses quality and durability over successive cycles
Global Issue of Over-consumption
Growing concern and inquiries about plastic consumption and its impact
Questions about the necessity of single-use plastic items
Importing and Exporting Plastics
Root Causes of Waste Production
Misconceptions about recycling
Lack of education
Treating other countries as dumping grounds
Poor attitudes leading to excess waste
Global Plastic Waste Trade
Exporting plastic waste from developed to developing countries
Becoming a growing concern
Capacity and Funding Challenges
Developing countries struggling to handle the waste from developed nations
Environmental Impact of Plastic Export
Pollution
Lack of infrastructure
Negative outcomes in recipient countries
Consumer Education and Empowerment
The need for informed consumer choices and responsible waste management practices
Empowering individuals to make informed choices and reduce waste
Plastics in the Solid Waste Stream
Environmental Impact of Landfills
Methane gas release
Contribution to greenhouse gas emissions
Environmental pollution
Poses challenges in recycling
Improper disposal of plastics can lead to environmental harm
Waste Production and Recycling Rates
High production
Low recycling rates
Impact on waste management
Global Plastic Waste Management
Exporting plastic waste to other countries and its negative outcomes
Canadians produce significant waste
Large portion ending up in landfills
Decomposition of Plastic
Extended decomposition time
Environmental dispersion of microplastics
Carbon Footprint Awareness
Understanding personal waste production and its impact on the biosphere
Technofossils
Human-generated objects are technofossils
They serve as geological markers and indicators of human impact on the environment
Concrete
Extensive use
Coating the Earth
Significance in future geological records
Aluminum
Mass production
Unique properties
Role as an indicator of human activity
Plastics
Rapid increase in production
Long-lasting impact
Global significance
The technosphere is a significant component
Composed of human-made materials
Anthropocene and the Technosphere
Contribution of human-made objects as indicators of a new epoch
Technofossils and the Technosphere
Physical components of human systems and technologies
Resistance to decay
Estimated weight of the technosphere
Anthroturbation
Involves large-scale activities under the Earth by humans
Human tunnelling
Drilling
Mining
Human activities transform both the Earth's surface and subsurface
Examples
Berezniki's extensive underground tunnels
Sinkholes
The Gotthard Base Tunnel
Growing Underground in London
Florida phosphate mining
Impact on Urban Areas
Scarring the planet and transforming the underworld
Proof of human ability to change the Earth
Technological advancements leaving a definitive record of human presence
Indications of human influence on Earth's geology
Global Infrastructure and Engineering
Anthropogenic transformation of landscapes
Development
Extensive tunnels
Mines
Quarries
Climate Change
Industrial Revolution and Carbon Emissions
Release of over 390 billion tonnes of anthropogenic carbon emissions into the air
Until a more efficient energy source is found, global sustainability takes a back seat
Emissions result from cement production and burning of fossil fuels
Corporate Knowledge and Responsibility
Major fossil fuel companies have known for decades that their products contribute to global warming
Companies operating along coastlines are aware of the physical damage and pollution their activities cause
Historical CO2 Levels and Warming Predictions
Throughout much of Earth's history, CO2 levels ranged between 200 ppm and 280 ppm
In 2013, CO2 levels reached 400 ppm for the first time on record
Estimated climate warming of 3.2 to 5.4°C above pre-industrial levels by 2100
Underwater Impact
Coral Bleaching
Linked to rising sea temperatures and increasing ocean acidity
In 2016, The Great Barrier Reef suffered a mass bleaching event
Lost around 22% of its corals
Australia is a major coal exporter
Faces tensions between conservation and industry
Climate Change Effects on Lagos, Nigeria
A high-risk city due to coastal erosion intensified by climate change
The city's layout of islands and peninsulas exacerbates the impact of natural coastal processes
Wealth disparity and informal settlements increase vulnerability to flooding
Human Response and Activism
The World Wildlife Fund reported a significant decline in population for half of all animal species since 1970
Sixth mass extinction is attributed to human activity and pollution
Urgent need for changes in industry practices and individual behaviors to combat climate change
Urbanization
Examples
Los Angeles' historical development
China's megacity growth
India's struggle with informal settlements
Urban sprawl
Involves the expansion of cities and suburbs into rural and natural lands
Movement of people
Large-scale growth
Land-use transformation
Consequences
Habitat loss
Decline in biodiversity due to urban development and land reclamation
Environmental changes
Seawalls
Population challenges
Population Growth
Urban Planning
Struggles in accommodating growing populations and the need for sustainable urban development
Infrastructure changes
Role of highways
Informal settlements in urban expansion