globalchange

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共 545 条,其中的第 1 - 5 个
Going Down: How Do Cities Carry That Weight? (Created time:2021-01-15)
Calculations show that the added weight of growing cities can lead to tens of millimeters of subsidence, an effect that needs to be considered for coastal cities under threat by sea-level rise. SOURCE: AGU Advances Two ways the weight of cities might matter is eith……
Deep Decarbonization? Yes We Can! (Created time:2021-01-15)
Modeling the U.S. energy system demonstrates several pathways to net-zero CO2 emissions by 2050. The pathway with the lowest cost, 0.2–1.2% of GDP, relies on >80% contribution of renewables. SOURCE: AGU Advances This “Sankey” diagram shows how ……
Around 200 years ago, when conversion of land for agriculture became more widespread, the amount of sediment accumulating in riverbeds across the continent jumped tenfold. The development of large-scale agricultural systems (like this field in New Orleans) likely contributed to ……
Warmer Climates Speed Breakdown of Rocks (Created time:2021-01-15)
Researchers listened to boulders for thousands of hours to investigate how they weathered. SOURCE: Geophysical Research Letters Researchers attached sensors to boulders to monitor subcritical cracking and study how the cracking was influenced by environmental condi……
Empeora la Crisis Hídrica en el Caribe Oriental (Created time:2021-01-15)
Científicos, políticos y pobladores temen que la actual escasez de agua y los largos períodos de sequía puedan empeorar a medida que cambie el clima y que el Acuerdo de París se haya quedado corto. Muchas plantas de los bosques tropicales y las……
共 545 条,其中的第 1 - 5 个