Urbanization is one of the global megatrends of our time, unstoppable and irreversible. In 30 years, two-thirds of the world’s population will live in urban areas; 90 per cent of this urban growth will take place in less developed regions such as East Asia, South Asia, and Sub-Saharan Africa. These are regions where capacity and resources are already constrained, and development challenges are ever more complex and concentrated. Urbanization in such areas is largely unplanned, fuelling the continuous growth of informal settlements, the physical manifestation of urban poverty and inequality. Currently home to some 1 billion people, informal settlements are where the impact of climate change is most acute and where resilience must be strengthened.
Based on UN-Habitat’s experience in climate action in informal settlements, the authors propose nine key tenets that should be applied in considering and implementing climate change measures in informal settlements. These over-arching principles can be contextualized to different cities and neighborhoods, and can be the starting point for inclusive action, alongside the more board informal settlement improvement principles.
Address development deficits with climate action mind and vice versa;
Downscale vulnerability assessments and responses to city and neighborhood level;
Incorporate local knowledge in climate change responses;
Strengthen education and training;
Build capacity at the neighborhood level;
Apply a balanced mix of adaptation options;
Scale up action through co-production and collaboration between actors;
Recognize the opportunities by integrating informality into adaptation and mitigation;
Use recovery processes as an opportunity for low carbon and resilient development.
2018 United Nations Human Settlements Programme (UN-Habitat)
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This guide is designed to assist practitioners, policy makers and the wider development community to address urban and human settlement issues into the formulation and implementation of National Adaptation Plans.
Sitting at home in the summer heat, your mind may start to wander to that fancy new air conditioner.
But when it comes to making your house comfortable and sustainable, prevention is better than cure. By prevention we mean simple retrofits that will set you on the path to comfort and sustainability.
As we spend more than ever on maintaining and improving our homes, we’re also becoming more aware of how their design and use impact on our health and society. Add to this climate change and rising energy costs.
There are many ways to reduce energy and stay comfortable (for instance here and here). Numerous reports suggest it should be possible to reduce your energy use by 50-80% using existing and available materials and appliances.
Appliance are the easy bit, and you can find the most efficient appliances using energy star ratings. But before you go out and buy that air conditioner, consider the following principles that can help you decide what you need to create a comfortable home. Read the full article on The Conversation
Climate change is increasingly exacerbating existing population health hazards, as well as resulting in new negative health effects. Flooding is one particularly deadly example of its amplifying and expanding effect on public health. This systematic review considered evidence linking green building strategies in the Leadership in Energy and Environmental Design® (LEED) Rating System with the potential to reduce negative health outcomes following exposure to urban flooding events.
It is becoming increasingly crucial to develop methods and strategies to assess building performance under the changing climate and to yield a more sustainable and resilient design. However, the outputs of climate models have a coarse spatial and temporal resolution and cannot be used directly in building energy simulation tools.