1T_IM_WK7.3_ES11_SY2024-2025 Human Activities and the Environment

I. Anthroposphere Definition

  • Anthroposphere: Total human presence throughout the Earth system, encompassing culture, technology, built environments, and human activities.

II. Effects of Humans on the Environment

A. Soil Degradation & Food Security

  • Factors Contributing to Soil Degradation:

    • Dumping of solid waste.

    • Pollution from mining tailings.

    • Expansion of agricultural plantations and ranches.

    • Legal and illegal logging practices.

  • Solutions for Addressing Soil Degradation:

    • Revegetation/Reforestation: Planting trees to restore ecosystems.

    • Genetically Modified Organisms (GMOs): Crops engineered for better yields and resilience.

    • Contour Farming: Farming along the contour lines to reduce soil erosion.

    • Using Compost Materials: Enhancing soil nutrients sustainably.

    • Natural Pest Control Methods: Reducing chemical use for pest management.

B. Water-Related Environmental Issues

  • Factors Contributing to Water Issues:

    • Ground subsidence and saltwater intrusion.

    • Water pollution from domestic, agricultural, and industrial waste.

  • Solutions to Water Issues:

    • Reducing Volume Allocations: Managing water resources better.

    • Rain-Catching Devices: Harnessing rainwater for various uses.

    • Dams: Regulation of water flow for irrigation and prevention of floods.

    • Desalination Plants: Converting seawater to fresh water.

    • Wastewater Treatment Plants: Sanitizing and recycling water for reuse.

C. Fossil Fuel Use / Climate Crisis / Ocean Acidification

  • Factors Leading to These Issues:

    • Human-induced global warming and greenhouse effect.

    • Ocean acidification due to increased CO2 emissions.

    • Changes in land use patterns.

  • Solutions Addressing Climate Issues:

    • Carbon Capture and Storage (CCS): Techniques for capturing CO2 emissions.

    • Reforestation and Restoration: Promoting regrowth of forests and marine ecosystems.

    • Shift to Renewable Energy: Adopting solar, wind, and other sustainable energy sources.

III. Municipal Solid-waste Management

A. Definition and Examples

  • Municipal Solid Waste (MSW): Waste materials generated from daily activities, including:

    • Product packaging, grass clippings, household items, clothing, food scraps, newspapers, and batteries.

B. Waste Management Strategies

  • Waste Management: Comprehensive process of managing waste and minimizing environmental harm.

    • Waste Reduction: Strategies aimed at minimizing waste output and reusing materials.

  • Integrated Waste Management (IWM): Combination of diverse strategies for effective waste management and reduction, such as:

    • Sanitary landfills.

    • Mass burn incinerators.

    • Recycling and composting processes.

IV. Waste Management in the Philippines

  • Current Challenges: Increasing accumulation of waste and lack of effective management strategies.

  • Proposed Approaches: Considering turning waste into energy as a feasible solution for waste management in the country.