Transitional forests between boreal and tundra regions in the far north are getting taller and greener due to global climate change. The shifts in vegetation structure will continue at least until 2100, according to @nasa scientists. 🌲
The new study found that trees and shrubs will both be larger and more abundant in transitional tundra and boreal landscapes where they are currently sparse. The team used millions of data points from NASA’s ICESat-2 and the NASA / @usgs Landsat missions.
Taller, greener forests could absorb more of the greenhouse gas carbon dioxide (CO2) from the atmosphere. However, the changes to forests could also lead to increased permafrost thawing, which would release ancient carbon stored in the ground into the atmosphere as CO2.
Image descriptions:
1: An image taken from the viewpoint of the plane. The image is mostly showing a green landscape below, with splotches of dark green tree covered area interspersing the lighter green grassy areas. Above is a bright blue sky with wispy clouds stretching horizontally across the sky.
2: A rendered map of the northern United States and Canada. The ocean is depicted as a light blue, while most of the land is depicted in grayscale. Data is overlaid onto the image in splotches of purple and green. A scale is at the bottom of the image, with a label stating Change in Tree Canopy Cover 1984-2020 (%/yr).
#Earth #NASA #Climate #ClimateChange #Forests #Boreal #Tundra #Science
Water is emerging as the critical constraint shaping sustainable construction and urban development. A United Nations warning of “water bankruptcy” positions scarcity as a core determinant of sustainable building design, forcing developers to integrate hydrological data into every feasibility study. Growth strategies in arid regions are now being rebuilt around circular economy in construction principles—combining closed-loop water systems, onsite reuse, and lifecycle assessment to ensure resilience in resource-constrained environments. The shift highlights the rise of life cycle thinking in construction, where water efficiency aligns with carbon footprint reduction and long-term life cycle cost outcomes.
Reconstruction in disaster-prone areas is demanding a redefinition of sustainable building practices. Indian townships rebuilding after landslides demonstrate the limits of traditional resilience models. A data-driven approach grounded in environmental sustainability in construction is replacing reactive rebuilding with preventative planning. Projects now value green infrastructure and community-led hazard mitigation as core performance indicators, embedding end-of-life reuse in construction and low-impact construction techniques as benchmarks for sustainable design.
The fragmented global energy transition continues to disrupt the carbon footprint of construction. As the embodied carbon of steel, cement and modular components depends heavily on place of manufacture, procurement teams are pursuing environmental product declarations (EPDs) and low embodied carbon materials to manage embodied carbon in materials more transparently. Contracts increasingly price carbon volatility alongside inflation and currency risk. Design professionals are under growing pressure to evidence net zero whole life carbon performance through rigorous whole life carbon assessment and life cycle cost modelling. This progression marks the industry’s deeper commitment to decarbonising the built environment and achieving carbon neutral construction.
Corporate investment is translating ambition into deliverable outcomes. Housing and workplace projects benchmarked against BREEAM V7 and net zero carbon buildings standards are demonstrating measurable improvements in green construction efficiency, renewable building materials integration and circular construction strategies. The distinction between retrofit and replacement is being framed by whole life carbon considerations and building lifecycle performance metrics. Each project is an applied case study in sustainable material specification and eco-design for buildings, proving that low carbon design and resource efficiency in construction are now commercially viable rather than aspirational.
Sustainable construction is no longer an environmental choice but an operational necessity. The convergence of water scarcity, embodied carbon accountability and resilience-based planning ensures that sustainable building design now serves as the foundation for both climate adaptation and long-term asset value.
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