Group-1-Basic-Terminologies-of-Environmental-Science.pptx

Envi sci

1. 1 At the end of the lesson the students/learners will be able to;   Differentiate the Basic Technologies of Environmental Science: Environmental Science, Environmental Studies and Environmentalism.   Discuss the Ecology and Ecosystem Identify the key themes of environmental science and how will affect to a human being?

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3. Basic Terminologies of Environmental Science

4. Basic Terminologies of Environmental Science Grasping fundamental concepts that explain how natural system work and how human activities affect the environment. 4 ENVIRONMENTAL SCIENCE ENVIRONMENTAL STUDIES ENVIRONMEANTALISM 3 COMPONENTS

5. ENVIRONMENTAL SCIENCE ENVIRONMENTAL STUDEIS Environmental science is an interdisciplinary field relating to environmental issues, geology, biology, chemistry, engineering, and physiology Environmental studies emphasizes the relationship between people and the environment and its social and political dimensions. ENVIRONMENTALISM Environmentalism is a broad philosophy, ideology, and social movement on environmental concerns and environmental health improvement, particularly as the degree for this health search to incorporate the impact of environmental change on humans, animals, plants, and nonliving matter.

6. 6 Ecology and Ecosystem Ecology studies the interactions between living beings, including humans, and their physical environments. An ecosystem is a population of living organisms, interacting as a group with the nonliving components of their environment. Biotic (living matter) i.e. plants and animals Abiotic (non-living matter) factors i.e. sunlight, water, and gas The four primary ecosystem forms are artificial, terrestrial, lentic, and lotic classifications.

7. ARTIFICIAL ECOSYSTEM TERRESTRIAL ECOSYSTEM Man-made ecosystems with ecological biological importance in sustainability. e.g. biodomes for biology studies. Land environments such as forests, deserts, grasslands, tundra, and coastal areas are examples. LENTIC ECOSYSTEM Lentic is a class of aquatic organisms found on land, for example, ponds, rivers, lakes, swamps, and streams. Often defined as still freshwater bodies and are smaller ecosystems.

8. Theme 1: Human Population Growth Famine and Food Crisis 8 happens when people exceed their environmental resources. In the mid-1970s, after a drought in the Sahel region, 500,000 Africans died of hunger, and several million more were permanently affected by malnutrition. Causes: Drought Climate change Bad agricultural practices, due to increased erosion and deforestation. Food security and destruction served as a tool of political disturbance . Scientific awareness has contributed to increased food production, a clearer understanding of population growth, and the protection of natural resources.

9. Theme 2: Sustainability and Carrying Capacity 9 Sustainability has two specific environmental science significance: habitat sustainability, such as the populations of ocean fish, woodland trees, extracting coal; ecosystem sustainability. Sustainability - refers to commercially sustainable, environmentally healthy, and socially just economists, political scientists who co-exist constantly. Sustainable growth can also be an oxymoron (i.e., a conflicting term) since constant growth (fixed percentage growth per year) creates high numbers in modest times . Carrying capacity is a sustainability concept. generally well-defined as the maximum number of people of a specific species that can support an ecosystem without diminishing their capacity to retain this amount in the future .

10. Theme 3: A Global Perspective Gaia Hypothesis 10 the knowledge of global life environment interactions. Originated by British pharmacist James Lovelock and American biologist Lynn Margulis. Gaia theory argues that life has significantly altered the global climate throughout Earth's life and that these changes have helped increase the livelihood that life continues.

11. Theme 4: An Urbanizing World 11 Around 75% of population in developed countries live in urban areas and 25% in rural divisions. Only 40% are urban dwellers. Only a handful of urban areas in 1950 had more than four million inhabitants. In 1999, Tokyo, Japan, with about 12 million, was the world's largest city; remained to be the largest city in 2022at 37.1 million. . Most megacities are in the developing world, and most megacities are expected to be in Asia by 2025 (British Broadcasting Channel, 2011).

12. Theme 5: People and Nature 12 We are on the verge of significant shift in our environmental strategy: Conclude environmental issues due to human actions. An environmental issue leads to a constructive solution. Human beings and nature are tightly intertwined with influence on the other. In essence, we influence nature People have long understood this, but in the last decades of the 20th century, the notion that people could change nature to their benefit was controversial. We become more Earth-centered. Aside from being environmentally conscious, we become developed as well economically sustainable practices .

13. Theme 6: Science and Values 13 Rio Earth Summit on Sustainable Development echoed in 1992. In theory, when the danger of significant harm to the environment, maybe even permanent, exists, we should not wait for scientific evidence to take precautionary measures to avoid future damage to the environment. Most megacities are in the developing world, and most megacities are expected to be in Asia by 2025 (British Broadcasting Channel, 2011). The Precautionary Principle

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15. THANK YOU! Rica Mae Sanchez Kimberly Arias

16. References: https://discord.com/channels/1277854089627041802/1277857421515034668/1277857479560269918 https://discord.com/channels/1277854089627041802/1277857421515034668/1277857479560269918 16

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