![¿Qué evidencia existe de que la Tierra se está calentando y que los humanos son la causa principal?](/sites/default/files/Philip_Jakob%20Loutherbourg_Coalbrookdale_480.jpg)
Existen evidencias científicas abrumadoras de que la Tierra se está calentando y una preponderancia de pruebas científicas de que las actividades humanas son la causa principal.
![¿Cómo perjudicará el calentamiento global a los recursos naturales y agrícolas de los Estados Unidos?](/sites/default/files/XL-Catlin-Seaview-Survey-American-Samoa_480.jpg)
El calentamiento global y el cambio climático relacionado están impactando negativamente a las especies y hábitats de todo el país, incluyendo muchas que son económica y culturalmente importantes para los estadounidenses.
![Sea ice withers while phytoplankton blooms in the Arctic](/sites/default/files/ARC2020_chlorophyl_and_seaice_480x320.jpg)
Unusually big blooms of tiny ocean plants occurred in the Arctic this past summer, linked to early summer retreat of sea ice.
![Map image for A Colorado summer: Drought, wildfires and smoke in 2020](/sites/default/files/styles/width_320/public/16Aug2020_MODISSat_NASA_fireloclabel_480.png?itok=EaBpoCYt)
A Colorado summer: Drought, wildfires and smoke in 2020
August 20, 2020
![A conversation with Dr. Jane Lubchenco on Women’s History Month](/sites/default/files/JLubchenco_rotator_480x320_alt02.jpg)
Former NOAA administrator Jane Lubchenco discusses her family's history of women in science, the importance of mentorship, her solution to achieving work-life balance, and how citizen science can help foster trust between scientists and stakeholders.
![A conversation with Leander Anderegg: NOAA postdoc, tree physiologist, outdoorsman](/sites/default/files/leander_treecores_480.jpg)
This Q&A features tree expert Leander Anderegg and what he is learning about how some of the West's iconic trees—including Colorado's quaking aspen and California's blue oak—survive or succumb to drought.
![Map image for Flash drought engulfs the U.S. Southeast in September 2019](/sites/default/files/styles/width_320/public/Rotator_480x320.jpg?itok=cgxoXMbQ)
Flash drought engulfs the U.S. Southeast in September 2019
October 9, 2019
![How will global warming harm natural and agricultural resources in the United States?](/sites/default/files/XL-Catlin-Seaview-Survey-American-Samoa_480.jpg)
Global warming and related climate change are negatively impacting species and habitats across the country, including many that are economically and culturally important to Americans.