Abstract
Environmental threats are harmful after-effects of the human activities to the physical environment plaguing the planet with pollution, deforestation, climate change, ozone depletion, and water scarcity. This chapter addresses the three vital parameters such as water, air and climate, to enhance the consciousness among the people. Water scarcity is a severe environmental issue and needs potentially sustainable methods to address the threat. This study emphasizes the techniques to overcome the water crisis, such as wastewater reclamation methods, desalination, and conservation techniques. The work highlights the toxic mixture of particles and gases resulting in air pollution and its effect on humans, animals, and plants. The study focuses the global climate change, another potential future concern and must be defined at our time for our future generations due to rising sea level and catastrophic flooding, shifting weather pattern, and deadly heatwaves. Finally, the work discusses intelligent actions to enhance climate resilience, such as adaptation and mitigation.
Abbreviations
- CCS:
-
Carbon capture and storage
- CDPR:
-
California Department of Pesticide Regulation
- CFC:
-
Chlorofluorocarbons
- EU:
-
European Union
- IEA:
-
International Energy Agency
- IPCC:
-
Intergovernmental panel on climate change
- KCAC:
-
Kern County Agriculture Commissioner
- NASA:
-
National Aeronautics and Space Administration
- NGO:
-
Nongovernmental organization
- UN:
-
United Nations
- UNU-INWEH:
-
United Nations University Institute for Water, Environment and Health
- WHO:
-
World Health Organization
Abbreviations
- %:
-
Percentage
- °C:
-
Degree centigrade
- μg/m3:
-
Microgram per cubic meter
- As:
-
Arsenic
- CO:
-
Carbon monoxide
- CO2:
-
Carbon dioxide
- H2S:
-
Hydrogen sulfide
- H2SO4 :
-
Sulfuric acid
- HCl:
-
Hydrogen chloride
- HF:
-
Hydrofluoric acid
- Hg:
-
Mercury
- HNO3:
-
Nitric acid
- km:
-
Kilometer
- kWh/m3:
-
Kilo watt-hour per cubic meter
- NH3:
-
Ammonia
- NO:
-
Nitric oxide
- NO2:
-
Nitrogen dioxide
- O3:
-
Ozone
- Pb:
-
Lead
- pH:
-
Potential Hydrogen
- PM10:
-
Particulate matter with diameter 10 micrometers
- PM2.5:
-
Particulate matter with diameter 2.5 micrometers
- ppm:
-
Parts per million
- SO2:
-
Sulfur dioxide
- SO3:
-
Sulfur trioxide
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Acknowledgment
The authors would like to thank the Director, CSIR-NGRI (Dr VM Tiwari) for permitting to publish this book chapter (NGRI/Lib/2019/Pub-90). The authors thank Dr EVSSK Babu for his encouragement and support and also thank him for providing the necessary facilities to complete the book chapter from institutional projects: MLP-6406-28 (EVB) and GEOMET (MLP-0002-FBR-2-EVSSK).
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Santhakumari, M., Sagar, N. (2020). The Environmental Threats Our World Is Facing Today. In: Hussain, C. (eds) Handbook of Environmental Materials Management. Springer, Cham. https://doi.org/10.1007/978-3-319-58538-3_180-1
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