Assessing demand-side policy impacts on US urban passenger transport, Fu, Xiangwen, Bertram, Christoph, Kyle, Page

Demand-side policies could significantly mitigate energy use and carbon emissions of urban passenger transport. However, previous integrated assessment modeling studies often failed to fully evaluate their mitigation potential in the absence of explicit representation of urban transport dynamics. Here we adjust the global integrated assessment model GCAM to disaggregate passenger transport in the US region into the urban and inter-city subsectors. We analyze the impacts of transformative demand-side policies on US urban passenger transport service demand, mode share, energy use, and carbon emissions. We consider six demand-side policies (compact urban development , speed limit, shared mobility, remote working, fuel tax, and congestion fee) as well as a technology policy of vehicle electrification. We find that all demand-side policies could collectively reduce urban transport energy use and carbon emissions by approximately 60% from the baseline in 2050 by shifting and reducing transport demand. We also find that demand-side policies could deliver strong synergies with electric vehicle (EV) deployment. Under ambitious EV deployment, although most direct urban passenger transport emissions are mitigated, electricity demand would increase by 718 TWh from 2021 to 2050, as much as 16% of current US total electricity consumption. A full portfolio of demand-side policies could limit the increased electricity use for urban transport to 299 TWh in 2050, providing substantial benefits for energy savings. Our study shows that demand-side policies and vehicle electrification can be complementary in achieving decarbonization and other sustainability goals.

用GCam這種自動修圖的相機APP拍照算不算作弊？ 看過去我Sony中階Xperia 10 V手機拍的照片，好漂亮的幾張啊，然而原廠的很難拍出這種效果，幾乎是GCam的功勞，Sony只負責提供硬體，小巧好握的機身。 因為我奉行Parrhesia原則（直言不諱，即使說出真相可能帶來風險或負面後果，仍勇於坦誠發言，將說真話視為一種道德責任 by 傅柯），用GCam常常拍出遠超Sony和小米原廠相機效果的照片…如果我分享照片，應該標註用GCam拍的嗎。就像使用AI開發軟體、用AI繪圖，應該憑良心自行揭露。

這篇文章Ivon將介紹如何在非Google推出的Android手機安裝GCam，並介紹下載GCam APK的網站。 ## 1. 什麼是GCam # 如果想改善Android手機拍照效果，有些人會跟你說要下載GCam吧？

The month of September has been established as Gynecologic Cancer Awareness Month (GCAM), with a goal of reaching more and more people each year. Review resources that give you the tools to share know...

Abstract. Net-zero transitions are expected to reduce ambient fine particulate matter (PM2.5) concentrations and the associated mortality burden. The magni

App faking only the absolute necessary Apis to use Gcam without Play Services - lukaspieper/Gcam-Services-Provider

Anthropogenic climate change is exacerbating water scarcity in Mediterranean climate regions, such as Central Chile, which already has a low annual precipitation rate, increasing the likelihood of a potentially permanent ‘mega-drought’. While carbon-neutrality policies often combine energy- and land-sector measures, their specific implications for water-energy-land (WEL) interactions in Chile remain insufficiently explored. This study presents the first national-level application of GCAM-Chile to assess how combined energy- and land-sector carbon-neutrality pathways may reshape sectoral water-demand patterns in an already water-stressed context. We examine one reference scenario and eight alternative carbon-neutrality pathways combining energy-sector decarbonization with different levels of land-sector mitigation (LM) while holding basin water supply static, so results reflect changes in water demand rather than future water availability. Findings indicate that renewable energy-enabled decarbonization substantially reduces electricity-sector water withdrawals by decoupling power generation from thermal cooling demand, offering direct water-demand co-benefits in a water-scarce context. Scenarios that assume the emergence of low-cost carbon capture and storage technologies, achieve smaller reductions in electricity water withdrawals due to the higher water demands associated with fossil generation equipped with these technologies. However, total water withdrawals remain dominated by agricultural irrigation, which continues to grow under all scenarios. LM reduces irrigation demand by constraining agricultural production, but introduces trade-offs with food production. The implications of these interactions could instigate a new policy landscape of WEL interactions in Chile’s near future, necessitating further attention to nexus implications of climate policies in water-scarce contexts.

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