Trees, Tempests, and Time: What trees can tell us about weather in the past

For storms along the Gulf Coast, first-person recordings are only reliable for the past 150 years. But knowing more about when storms happened in the past helps us understand how the climate is changing and how to reduce storm risks for coastal communities. To do that, we have to use even more unusual records: tree rings.

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Preserving Culturally-Important Xochimilco Wetlands Requires Policy and Personal Change

Created by the Aztecs in 500 CE for agriculture, Xochimilco is an area of culturally important wetlands in southern Mexico City. Despite its cultural and economic importance, this area is experiencing wetland degradation and loss due to urban development and water quality issues. Even with a high level of local concern about wetland degradation, little effort will be made toward conservation without a change in public policies regarding local infrastructure and development.

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