Más del cincuenta por ciento de la energía de Estados Unidos proviene de los combustibles derivados del carbón y del petróleo. Energizar a un país en el que la persona promedio utiliza la cantidad de energía equivalente a 15,370 libras de carbón o 165,033 cartuchos de dinamita en un año, no es sostenible. Al pensar en una solución, la fuente de energía renovable que muy probablemente venga a la mente es la energía solar.
articles
Living near a landfill could damage your health
According to research published today in the International Journal of Epidemiology, health is at risk for those who live within five kilometres of a landfill site.
Wildfires no longer spreading like wildfires
A new analysis of global data related to wildfire, published by the Royal Society, reveals major misconceptions about wildfire and its social and economic impacts.
Spring comes sooner to urban heat islands, with potential consequences for wildlife
With spring now fully sprung, a new study by University of Wisconsin–Madison researchers shows that buds burst earlier in dense urban areas than in their suburban and rural surroundings. This may be music to urban gardeners’ ears, but that tune could be alarming to some native and migratory birds and bugs.
Study shows how air pollution fosters heart disease
Long-term exposure to air pollution has been linked to an increased risk of heart disease, but the biological process has not been understood. A major, decade-long study of thousands of Americans found that people living in areas with more outdoor pollution —even at lower levels common in the United States — accumulate deposits in the arteries that supply the heart faster than do people living in less polluted areas. The study was published May 24 online in The Lancet.
Un estudio de la Universidad de Bristol muestra cómo se activan las células inmunes
Las células inmunes juegan un papel esencial en el mantenimiento y reparación de nuestros cuerpos. Cuando nos herimos a nosotros mismos, las células inmunes montan una respuesta inflamatoria rápida para protegernos contra las infecciones y ayudar a curar el tejido dañado.
La investigadora principal, la doctora Helen Weavers, de la Facultad de Ciencias Biomédicas, dijo: "Si bien esta respuesta inmune es beneficiosa para la salud humana...