Tahir Iqbal Awan is Associate Professor in the Department of Physics at the University of Gujrat, Gujrat, Pakistan, over the twenty years of teaching and research. Having earned his Ph.D. from Queen's University Belfast, United Kingdom, his main area of scientific interest is in nano-photonics and plasmonics, nano-fabrication, and nano-characterization near-field optics, optical properties of metallic nanostructures and nanotechnology. He significantly contributed to research in the field of nanoscience and published 200+ research articles with an impact factor of 700+ in well reputed international research journals. His research was cited more than 4500 times by other researchers. He authored 16+ books & book chapters published by well reputed publishers. Sumera Afsheen is Associate Professor in the Department of Zoology, University of Gujrat. She earned her Ph.D. degree in Entomology from Zhejiang University, Hangzhou, People's Republic of China that is ranked #53 in QS Global World Rankings 2021. Her research interests lie in the field of Entomology, Molecular and Chemical Ecology, Toxicology, Biodiversity, Bio-Physics, Nano-Devices, Ecology, Environmental Sciences, Nanoplasmonic-based Biosensors.Ayesha Mushtaq is up-and-coming Researcher at the Department of Physics, University of Gujrat. Her fields of interest are Nanomaterials Synthesis and Characterizations Photocatalytic wastewater treatment and photocatalytic hydrogen production. She is currently working as Research Assistant under HEC-funded project (NRPU 20: 14755).

• Chapter 1: Introduction to Sustainable Energy and Climate Change.- Chapter 2: Carbon Free Energy- Free Energy SupplyChapter 3: Overview of Noble Metals.- Chapter 4: Noble Metal Based Nanosensors for Environmental Detection.- Chapter 5: Nanomaterials for hazardous waste management.- Chapter 6: Role of Noble Metals in the Efficiency of Solar Cells.- Chapter 7: Contribution of Noble Metals in Agriculture.- Chapter 8: Application of Noble Metal Nanoparticles towards Supercapacitors.- Chapter 9: Role of Noble Metals in Fuel Cells and Batteries.- Chapter 10: Noble Metal Nanoparticles for Pollutant Decomposition.- Chapter 11: Noble Metal Based Nanoparticles for CO2 Reduction and Hydrogen Production.

Tahir Iqbal Awan is Associate Professor in the Department of Physics at the University of Gujrat, Gujrat, Pakistan, over the twenty years of teaching and research. Having earned his Ph.D. from Queen's University Belfast, United Kingdom, his main area of scientific interest is in nano-photonics and plasmonics, nano-fabrication, and nano-characterization near-field optics, optical properties of metallic nanostructures and nanotechnology. He significantly contributed to research in the field of nanoscience and published 200+ research articles with an impact factor of 700+ in well reputed international research journals. His research was cited more than 4500 times by other researchers. He authored 16+ books & book chapters published by well reputed publishers. Sumera Afsheen is Associate Professor in the Department of Zoology, University of Gujrat. She earned her Ph.D. degree in Entomology from Zhejiang University, Hangzhou, People's Republic of China that is ranked #53 in QS Global World Rankings 2021. Her research interests lie in the field of Entomology, Molecular and Chemical Ecology, Toxicology, Biodiversity, Bio-Physics, Nano-Devices, Ecology, Environmental Sciences, Nanoplasmonic-based Biosensors.Ayesha Mushtaq is up-and-coming Researcher at the Department of Physics, University of Gujrat. Her fields of interest are Nanomaterials Synthesis and Characterizations Photocatalytic wastewater treatment and photocatalytic hydrogen production. She is currently working as Research Assistant under HEC-funded project (NRPU 20: 14755).

• Chapter 1: Introduction to Sustainable Energy and Climate Change.- Chapter 2: Carbon Free Energy- Free Energy SupplyChapter 3: Overview of Noble Metals.- Chapter 4: Noble Metal Based Nanosensors for Environmental Detection.- Chapter 5: Nanomaterials for hazardous waste management.- Chapter 6: Role of Noble Metals in the Efficiency of Solar Cells.- Chapter 7: Contribution of Noble Metals in Agriculture.- Chapter 8: Application of Noble Metal Nanoparticles towards Supercapacitors.- Chapter 9: Role of Noble Metals in Fuel Cells and Batteries.- Chapter 10: Noble Metal Nanoparticles for Pollutant Decomposition.- Chapter 11: Noble Metal Based Nanoparticles for CO2 Reduction and Hydrogen Production.

Tahir Iqbal Awan is Associate Professor in the Department of Physics at the University of Gujrat, Gujrat, Pakistan, over the twenty years of teaching and research. Having earned his Ph.D. from Queen's University Belfast, United Kingdom, his main area of scientific interest is in nano-photonics and plasmonics, nano-fabrication, and nano-characterization near-field optics, optical properties of metallic nanostructures and nanotechnology. He significantly contributed to research in the field of nanoscience and published 200+ research articles with an impact factor of 700+ in well reputed international research journals. His research was cited more than 4500 times by other researchers. He authored 16+ books & book chapters published by well reputed publishers. Sumera Afsheen is Associate Professor in the Department of Zoology, University of Gujrat. She earned her Ph.D. degree in Entomology from Zhejiang University, Hangzhou, People's Republic of China that is ranked #53 in QS Global World Rankings 2021. Her research interests lie in the field of Entomology, Molecular and Chemical Ecology, Toxicology, Biodiversity, Bio-Physics, Nano-Devices, Ecology, Environmental Sciences, Nanoplasmonic-based Biosensors.Ayesha Mushtaq is up-and-coming Researcher at the Department of Physics, University of Gujrat. Her fields of interest are Nanomaterials Synthesis and Characterizations Photocatalytic wastewater treatment and photocatalytic hydrogen production. She is currently working as Research Assistant under HEC-funded project (NRPU 20: 14755).

• Chapter 1: Introduction to Sustainable Energy and Climate Change.- Chapter 2: Carbon Free Energy- Free Energy SupplyChapter 3: Overview of Noble Metals.- Chapter 4: Noble Metal Based Nanosensors for Environmental Detection.- Chapter 5: Nanomaterials for hazardous waste management.- Chapter 6: Role of Noble Metals in the Efficiency of Solar Cells.- Chapter 7: Contribution of Noble Metals in Agriculture.- Chapter 8: Application of Noble Metal Nanoparticles towards Supercapacitors.- Chapter 9: Role of Noble Metals in Fuel Cells and Batteries.- Chapter 10: Noble Metal Nanoparticles for Pollutant Decomposition.- Chapter 11: Noble Metal Based Nanoparticles for CO2 Reduction and Hydrogen Production.