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Climate change, originating from greenhouse gas emissions, yields profound implications such as escalated temperatures, severe storms, disruptions in food supply chains, and amplified seismic activity, particularly impacting arid regions. As the world's largest economy and the second-largest CO2 emitter, the United States actively leads initiatives aimed at addressing environmental challenges and aligning with the United Nations' Sustainable Development Goals (SDGs) 7 and 13. This study delves into the determinants shaping renewable energy consumption and CO2 emissions within the United States, aiming to elucidate their pivotal role in advancing carbon neutrality efforts. Using quarterly data spanning from 1990 to 2020, this investigation employs the time-varying TVP-SV-VAR model to dissect the dynamic interplay among these variables. The findings reveal intricate connections across short, medium, and long-term periods: renewable energy adoption, eco-innovations, and uncertainties in climate policy were observed to mitigate CO2 emissions. Conversely, financial development exhibited a consistent association with increased CO2 emissions across all timeframes. Additionally, the progression of renewable energy sources showcased responsiveness to climate policy uncertainties, eco-innovations, and financial development across each timeframe. These outcomes hold substantial implications for the United States' pursuit of carbon neutrality goals, emphasizing the pivotal role of promoting renewable energy initiatives. [ABSTRACT FROM AUTHOR]

There is a broad literature that suggests that neoliberalism is the predominant force structuring climate change policy. However, analyses that focus only on the creation of carbon markets as neoliberalism's effect on climate policy are too restricted. Focusing on the United States, as the paradigmatic neoliberal state, it is demonstrated that, because neoliberal states must nevertheless intervene to promote accumulation, and because system-wide regulation of greenhouse gases has been impossible to achieve, the United States has developed a range of alternative means by which to pursue emissions reductions. These means derive from the ‘strategic selectivities’ (or historical path-dependencies) inherent in federal policy development in the United States. The focus is on three ways that this has occurred: the growth of sub-national regulation; the use of executive authority; and in particular the deployment of a dense network of research and development infrastructure through which the development of new energy and environmental technologies is supported. [ABSTRACT FROM AUTHOR]

In this article, the author discusses the features of climate change regulations and new methods used in the National Environment Policy Act (NEPA) analysis of climate change impact. According to the author the NPEA requires all the federal agencies to take strict actions for protecting environment and suggest a step-by-step approach to handle imapct of climatic changes. The author mentions that the issues related to greenhouse gas emissions and other changes in the climate must get proper consideration in the NEPA documents.

Presents an analysis of the administration of U.S. President George W. Bush's Global Climate Change Initiative, a proposal which addresses U.S. climate change policy. Question of whether voluntary program swill be sufficient to combat climate changes; Discussion of the greenhouse intensity target and what it means for future emission levels in the U.S.; Voluntary efforts, including the creation of the Energy Star label by the Department of Energy and the Environmental Protection Agency to assist in identifying energy-efficient products.