Global Warming, Rapid Climate Change, and Renewable Energy Solutions for Gaia

2019 ◽  
Vol 3 (2) ◽  
pp. 221-231 ◽  
Author(s):  
Rebecca Millington ◽  
Peter M. Cox ◽  
Jonathan R. Moore ◽  
Gabriel Yvon-Durocher

Abstract We are in a period of relatively rapid climate change. This poses challenges for individual species and threatens the ecosystem services that humanity relies upon. Temperature is a key stressor. In a warming climate, individual organisms may be able to shift their thermal optima through phenotypic plasticity. However, such plasticity is unlikely to be sufficient over the coming centuries. Resilience to warming will also depend on how fast the distribution of traits that define a species can adapt through other methods, in particular through redistribution of the abundance of variants within the population and through genetic evolution. In this paper, we use a simple theoretical ‘trait diffusion’ model to explore how the resilience of a given species to climate change depends on the initial trait diversity (biodiversity), the trait diffusion rate (mutation rate), and the lifetime of the organism. We estimate theoretical dangerous rates of continuous global warming that would exceed the ability of a species to adapt through trait diffusion, and therefore lead to a collapse in the overall productivity of the species. As the rate of adaptation through intraspecies competition and genetic evolution decreases with species lifetime, we find critical rates of change that also depend fundamentally on lifetime. Dangerous rates of warming vary from 1°C per lifetime (at low trait diffusion rate) to 8°C per lifetime (at high trait diffusion rate). We conclude that rapid climate change is liable to favour short-lived organisms (e.g. microbes) rather than longer-lived organisms (e.g. trees).


2000 ◽  
Vol 97 (4) ◽  
pp. 1412-1417 ◽  
Author(s):  
D. L. Hartmann ◽  
J. M. Wallace ◽  
V. Limpasuvan ◽  
D. W. J. Thompson ◽  
J. R. Holton

Author(s):  
Andrew Hugh MacDougall ◽  
Joeri Rogelj ◽  
Patrick Withey

Abstract Global agriculture is the second largest contributor to anthropogenic climate change after the burning of fossil fuels. However the potential to mitigate the agricultural climate change contribution is limited and needs to account for the imperative to supply food for the global population. Advances in microbial biomass cultivation technology have recently opened a pathway to growing substantial amounts of food for humans or livestock on a small fraction of the land presently used for agriculture. Here we investigate the potential climate change impacts of the end of agriculture as the primary human food production system. We find that replacing agricultural primary production with electrically powered microbial primary production before a low-carbon energy transition has been completed could redirect renewable energy away from replacing fossil fuels, potentially leading to higher total CO2 emissions. If deployed after a transition to renewable energy, the technology could alleviate agriculturally driven climate change. These diverging pathways originate from the reversibility of agricultural driven global warming and the irreversibility of fossil fuel CO2 driven warming. The range of reduced warming from the replacement of agriculture ranges from -0.22 [-0.29 to -0.04] ºC for Shared Socioeconomic Pathway (SSP)1-1.9 to -0.85 [-0.99 to -0.39]ºC for SSP4-6.0. For limited temperature target overshoot scenarios, replacement of agriculture could eliminate or reduce the need for active atmospheric CO2 removal to achieve the necessary peak and decline in global warming.


Subject The prospects for global climate governance in 2018. Significance The 2017 UN COP23 Climate Change Conference, chaired by Fiji, ended in the shadow of news that 2017 is expected to see a 2% rise in global carbon emissions. After three years of roughly stable emissions, this estimated increase magnifies the challenge of making the sharp emission reductions needed to meet the Paris Agreement’s goal of keeping global warming to below 2 degrees centigrade above preindustrial levels, even as the renewable energy sector grows and electric vehicle technology makes further progress.


Author(s):  
Nick Jelley

‘What are renewables?’ defines renewable energy and provides a brief history of its use. It focuses on energy generated by solar, wind, and hydropower. These energy sources are renewable, in the sense that they are naturally replenished within days to decades. Only a few years ago, giving up our reliance on fossil fuels to tackle global warming would have been very difficult, as they are so enmeshed in our society and any alternative was very expensive. Nearly all of the sources of energy up to the 18th century were from renewables, after which time the world increasingly used fossil fuels. They powered the industrial revolution around the globe, and now provide most of our energy. But this dependence is unsustainable, because their use causes global warming, climate change, and pollution. Other than hydropower, which grew steadily during the 20th century and now provides almost a sixth of the world’s electricity demand, renewable energy was a neglected resource for power production for most of this period, being economically uncompetitive. But now, renewables are competitive, particularly through the support of feed-in tariffs and mass production, and governments are starting to pay more attention to clean energy, as the threat of climate change draws closer. Moving away from fossil fuels to renewables to supply both heat and electricity sustainably has become essential.


2018 ◽  
Vol 31 ◽  
pp. 03013
Author(s):  
Badrus Zaman ◽  
Wiharyanto Oktiawan ◽  
Mochtar Hadiwidodo ◽  
Endro Sutrisno ◽  
Purwono ◽  
...  

The generation of solid waste around the world creates problems if not properly managed. The method of processing solid waste by burning or landfill is currently not optimal. The availability of land where the final processing (TPA) is critical, looking for a new TPA alternative will be difficult and expensive, especially in big cities. The processing of solid waste using bio drying technology has the potential to produce renewable energy and prevention of climate change. Solid waste processing products can serve as Refuse Derived Fuel (RDF), reduce water content of solid waste, meningkatkan kualitas lindi and increase the amount of recycled solid waste that is not completely separated from home. Biodrying technology is capable of enhancing the partial disintegration and hydrolysis of macromolecule organic compounds (such as C-Organic, cellulose, hemicellulose, lignin, total nitrogen). The application of biodrying has the potential to reduce greenhouse gas emissions such as carbon dioxide (CO2), methane (CH4), and dinitrooksida (N2O). These gases cause global warming.


2021 ◽  
pp. 49-65
Author(s):  
Mamta Chahara ◽  
Sarita Khaturia ◽  
C. B. Mahto ◽  
Harlal Singh ◽  
Vinay K. Chaudhary

Hybrid renewable energy systems like solar and wind systems are growing at rapid pace due to the swift depletion of petroleum resources and global warming phenomena. In recent years, global warming and climate change are two major problems in the global economy and environment, and they have a significant effect on the inadequate accessibility and rising cost of energy. The high consumption of energy in the world has already increased concerns about supply difficulties and significant environmental effects, such as global warming and climate change. The results show that energy created by traditional energy sources causes an increase in greenhouse gas discharge, which could affect global warming. With the consideration of the issues discussed above, continual potential action for sustainable improvement is required. In addition, cost-effective, consistent, and environmentally friendly energy systems are the attributes of a sustainable energy system that efficiently uses local assets and networks. Therefore, renewable energy sources are positioned as one of the proficient and useful solutions. Currently, some countries have the potential for different types of energy resources, such as solar, wind, etc., and in addition, many companies are developing, constructing and setting up modern and high-tech renewable energy systems. These countries attempt to lead a large network of investigators and other partners to utilize advanced technologies that will provide a cost for renewable electricity generation that is competitive with traditional sources of energy. Although a number of studies have been performed on renewable energy systems but hybrid renewable energy systems (HRES) are in demand in this era due to advanced renewable energy technologies. For these types of hybrid plant, researchers are designing a most favorable system by incorporating optimization techniques to predict optimal units for solar PV, wind power generation and batteries in minimize cost for generating stable power supply. The unique features of hybrid energy plants such as instant power, power quality spinning reserve replacement, ancillary services, internal combustion engines–integrated with energy storage and solar PV–offer considerable potential for fuel and cost savings. This article focuses primarily on different hybrid solar systems, advancements and their applications.


Author(s):  
Erginbay Uğurlu ◽  
Yusuf Muratoğlu

Two of the important topics concerning scientists and governments are blockchain and climate change. After the paper of Satoshi Nakamoto, blockchains became a global phenomenon. After its usage for cryptocurrencies, blockchain is starting to be used for digital protocols and smart contracts. Blockchain technology is used in many sectors, such as banking, finance, car leasing, entertainment, energy, etc. Climate change leads to global warming, which means the long-term warming of the planet. Therefore, governments have made an effort to decrease global warming or keep it stable. One of the mitigation ways of global warming is to use renewable energy. Solar energy is one of the most used types of renewable energy sources, and also blockchain technology is widely used in this sector. In this chapter, the authors investigate the use of blockchain technology in the solar energy sector.


Author(s):  
Erginbay Uğurlu ◽  
Yusuf Muratoğlu

Two of the important topics concerning scientists and governments are blockchain and climate change. After the paper of Satoshi Nakamoto, blockchains became a global phenomenon. After its usage for cryptocurrencies, blockchain is starting to be used for digital protocols and smart contracts. Blockchain technology is used in many sectors, such as banking, finance, car leasing, entertainment, energy, etc. Climate change leads to global warming, which means the long-term warming of the planet. Therefore, governments have made an effort to decrease global warming or keep it stable. One of the mitigation ways of global warming is to use renewable energy. Solar energy is one of the most used types of renewable energy sources, and also blockchain technology is widely used in this sector. In this chapter, the authors investigate the use of blockchain technology in the solar energy sector.


2021 ◽  
Author(s):  
Rajam Annapoorani

This book delineated the contemporary upshots of the fossil fuel's feebleness and renewable energy's splendid face. Solar technology occupied a trump card position.Fossil fuels caused global warming, ozone depletion,climate change, health defects to the living organisms and environmental hazards .Because of the stumbling block and downside of the fossil fuels, we have to increase the usage of renewable energy.By dint of getting know about the significance of renewable energy, many environmental activists and scientists are set in motion to launch the renewable energy scheme.


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