Coral Ecosystems
Principle objective of this lecture is to present on Coral Ecosystems: Land-based Pollution Threats to Coral Reefs. The coral reef ecosystem is a diverse collection of species that…
Geography
Groundwater: Aquifers
Aquifers can be unconfined or confined by impermeable rock layers called aquicludes. In an unconfined aquifer, water flows freely. The water table tends to approximate…
Ground Water: Concepts
The aim of this lecture is to present on Ground Water: Concepts. Rain and snowmelt that infiltrate the ground. Soil and rock act as giant sponges, they are…
Presentation on Groundwater
Groundwater that soaks into the ground after rain. It is replenished mostly by rain. If there is less rain than use of the water, the water level…
Water Pollution: Quantity and Quality
Water Pollution means any physical (temperature, oxygen), chemical (mercury), or biological (disease, sewage) change to water that adversely effects its use by living things. This…
Lecture on Acid Rain
Prime objective of this lecture is to present on Acid Rain. Acid rain is a broad term that includes any form of precipitation with acidic components, such…
Carbon Dioxide Emissions Model
This lecture briefly describe on Carbon Dioxide Emissions Model. here focus Trend Analysis: Determine If Atmospheric Carbon Dioxide Depends on Time. That is, 10 years from now, 2018,…
How does Recycling Save Energy?
This lecture briefly focus on How does Recycling Save Energy. The energy required to manufacture paper, plastics, glass, and metal from recycled materials is usually less than…
How to Recycle?
Recycling is a term used to describe a series of activities that includes collecting recyclable materials that would otherwise be considered waste. Reduce means to use…
Lecture on Trash and Recycling
Primary purpose of this lecture is to preset on Trash and Recycling. Some items contain hazardous material. The following are common household articles that contain hazardous materials: Batteries; Florescent…
Design for Disassembly: Reduce, Recycle and Reuse
Design for Disassembly is a process by which a product and its parts can be easily: reused, re-manufactured, refurbished or recycled. There are two levels of strategy…
Lecture on Reasons to Recycle
This lecture introduce on Reasons to Recycle. Recycling saves energy because the manufacturer doesn’t have to produce something new from raw natural resources. When you throw certain items…
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