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The document outlines a research effort to model the health and climate impacts of replacing aging diesel school buses with new diesel or electric alternatives across the contiguous United States. It details a dataset that provides monetized unit and total impacts for each county, focusing on the reduction of harmful pollutants and greenhouse gas emissions.

The document advocates for the implementation of high-quality, safe 'pop-up' bike lanes to support the surge in cycling during the pandemic. It emphasizes that temporary measures must not compromise safety standards, as poor design increases risks for cyclists, who account for 3% of global road traffic deaths. The guide aims to help cities integrate these temporary lanes into broader mobility strategies and speed management systems to ensure long-term sustainability and public health.

The World Resources Institute (WRI) created a dataset of U.S. school bus fleets by submitting records requests to state governments between March and November 2022. The data includes details such as model year, fuel type, manufacturer, seating capacity, and ownership model, intended for use in estimating greenhouse gas emission reductions, planning grid upgrades for electrification, and identifying highly polluting buses. The dataset is limited by missing data from four states and all U.S. territories, as well as structural differences in how states report data.

The document outlines a method for generating probability models of complex climate hazard indicators by selecting and calibrating downscaled global climate models. These local estimates are intended to support long-term planning for government, the private sector, and civil society across various domains including agriculture and disaster mitigation.

The document outlines the nature of Covid-19, emphasizing the need to "flatten the curve" through social distancing and hygiene to prevent healthcare system collapse. It provides specific instructions on hand washing, self-isolation, and the use of masks, while addressing South Africa's unique challenges such as limited water access and high rates of HIV and TB. Additionally, it offers guidance on managing workplace disruptions, retrenchments, and maintaining community mental health and support networks during lockdowns.

The document explains that COVID-19 is a pandemic respiratory illness that originated in China and has spread to over 100 countries, including South Africa. It identifies high-risk groups, including the elderly, healthcare workers, and individuals with comorbidities such as HIV, TB, diabetes, and heart disease. The text outlines transmission via respiratory droplets and provides detailed hygiene protocols, including 20-second handwashing and the use of 'tippy taps' in areas without running water, to mitigate the spread during the national lockdown.

The document defines 'Day Zero' as the date when Cape Town's municipal water supply will be shut off due to a severe drought lasting over 100 years. It outlines a scenario where residents would be limited to 25 litres of water per person per day from approximately 200 collection points, with priority given to hospitals and clinics. The text warns of significant risks, including the collapse of sewage systems, increased disease, and economic damage, while providing a detailed list of water-saving behaviors to delay the onset of Day Zero.