Building a greener future
| | | | | | Investing in climate resilience. The US has achieved a major feat in the global fight against climate change. After months of tense negotiations, Congress passed a historic $1 trillion infrastructure bill with bipartisan support. The bill calls for $47 billion to help communities become more resilient to climate change, prepping them for extreme floods, fires, and storms. [NYT] | | | | | Natural infrastructure. Nature-based infrastructure is good for the ecosystem and cost-effective. Natural infrastructure—such as using mangroves to protect communities against erosion—is often less expensive to maintain than typical, concrete-based structures. That's why replacing traditional infrastructure with sustainable alternatives could save companies $248 billion annually, according to the International Institute for Sustainable Development. [Reuters] | | | | | | | | | Why it matters. To keep pace with urbanization, freight-service demand, and COVID-19 stimulus plans, about $2 trillion in transport-infrastructure investments is needed annually until 2040. Only one problem: while most sectors are cutting their carbon emissions, global transportation's emissions are growing by 0.8 percent annually. For countries to attain climate neutrality, most new investment in transport infrastructure must be sustainable. | | | | | Four-dimensional solutions. As long-lived assets, transport infrastructure may be particularly affected by climate change. For instance, many airports are located near water, with a quarter of the world's 100 busiest airports situated less than ten meters above sea level. To meet high demand for transport, but in a more sustainable way, the sector needs to rethink its basic assumptions. Read our article for a road map toward building green infrastructure that considers four dimensions of sustainability. | | | | —Edited by Arshiya Khullar
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