LnRiLWhlYWRpbmcuaGFzLWJhY2tncm91bmR7cGFkZGluZzowfQ==
.tb-container .tb-container-inner{width:100%;margin:0 auto} .wp-block-toolset-blocks-container.tb-container[data-toolset-blocks-container="5ec2d13939fd2f09f36dbcfac26fbbc6"] { padding: 25px 25px 0px 25px;margin-top: 0px;margin-bottom: 0px; } .wp-block-toolset-blocks-container.tb-container[data-toolset-blocks-container="5ec2d13939fd2f09f36dbcfac26fbbc6"] > .tb-container-inner { max-width: 95%; } .tb-button{color:#f1f1f1}.tb-button--left{text-align:left}.tb-button--center{text-align:center}.tb-button--right{text-align:right}.tb-button__link{color:inherit;cursor:pointer;display:inline-block;line-height:100%;text-decoration:none !important;text-align:center;transition:all 0.3s ease}.tb-button__link:hover,.tb-button__link:focus,.tb-button__link:visited{color:inherit}.tb-button__link:hover .tb-button__content,.tb-button__link:focus .tb-button__content,.tb-button__link:visited .tb-button__content{font-family:inherit;font-style:inherit;font-weight:inherit;letter-spacing:inherit;text-decoration:inherit;text-shadow:inherit;text-transform:inherit}.tb-button__content{vertical-align:middle;transition:all 0.3s ease}.tb-button__icon{transition:all 0.3s ease;display:inline-block;vertical-align:middle;font-style:normal !important}.tb-button__icon::before{content:attr(data-font-code);font-weight:normal !important}.tb-button__link{background-color:#444;border-radius:0.3em;font-size:1.3em;margin-bottom:0.76em;padding:0.55em 1.5em 0.55em} .tb-button[data-toolset-blocks-button="7ab0346ad9132de195b0ebe2c04e426c"] { text-align: center; } .tb-button[data-toolset-blocks-button="7ab0346ad9132de195b0ebe2c04e426c"] .tb-button__link { background-color: rgba( 255, 255, 255, 1 );border-radius: 0;color: rgba( 0, 0, 0, 1 );margin-top: 25px;margin-right: 0px;margin-left: 0px;border: 1px solid rgba( 179, 179, 179, 1 );color: rgba( 0, 0, 0, 1 ); } .tb-button[data-toolset-blocks-button="7ab0346ad9132de195b0ebe2c04e426c"] .tb-button__icon { font-family: FontAwesome;margin-left: 10px; } .tb-button[data-toolset-blocks-button="7ab0346ad9132de195b0ebe2c04e426c"] .tb-button__icon::before { content: '\f019'; } .tb-container .tb-container-inner{width:100%;margin:0 auto} .wp-block-toolset-blocks-container.tb-container[data-toolset-blocks-container="2b5d88b861d9e7fd335f7bc2e890cc40"] { padding: 0px;margin: 0px; } .wp-block-toolset-blocks-container.tb-container[data-toolset-blocks-container="2b5d88b861d9e7fd335f7bc2e890cc40"] > .tb-container-inner { max-width: 1200px; } .tb-fields-and-text[data-toolset-blocks-fields-and-text="342480bfc8a8395c436531e15c1384bc"] { padding-top: 25px;padding-bottom: 25px; } .tb-image{position:relative;transition:transform 0.25s ease}.wp-block-image .tb-image.aligncenter{margin-left:auto;margin-right:auto}.tb-image img{max-width:100%;height:auto;width:auto;transition:transform 0.25s ease}.tb-image .tb-image-caption-fit-to-image{display:table}.tb-image .tb-image-caption-fit-to-image .tb-image-caption{display:table-caption;caption-side:bottom} .tb-image[data-toolset-blocks-image="e51e77136215387d6518b511b046396e"] { max-width: 100%; } .tb-image[data-toolset-blocks-image="e51e77136215387d6518b511b046396e"]:hover { z-index: 1;transform: rotate(0deg); } .tb-image[data-toolset-blocks-image="e51e77136215387d6518b511b046396e"]:hover img { transform: scale(1); } .tb-container .tb-container-inner{width:100%;margin:0 auto} .wp-block-toolset-blocks-container.tb-container[data-toolset-blocks-container="5c87732e4ca761f532ab41923adda6c4"] { padding: 0px;margin-top: 0px;margin-bottom: 0px;display:ms-flexbox !important;display:flex !important;-ms-flex-direction:column;flex-direction:column;-ms-flex-pack:center;justify-content:center; } .wp-block-toolset-blocks-container.tb-container[data-toolset-blocks-container="5c87732e4ca761f532ab41923adda6c4"] > .tb-container-inner { max-width: 80%; } .wp-block-toolset-blocks-container.tb-container[data-toolset-blocks-container="5c87732e4ca761f532ab41923adda6c4"] p { font-weight: normal; } .tb-heading[data-toolset-blocks-heading="39452dc9673c26b69f910b51e4778ffe"]  { font-size: 42px;font-weight: normal;line-height: 55px;color: rgba( 5, 140, 235, 1 );text-align: center;padding-top: 0px;padding-bottom: 0px;margin-top: 5px;margin-bottom: 10px; }  h2.tb-heading[data-toolset-blocks-heading="67b7bf62a9a3b3a8f7278e5fbdf49589"]  { font-weight: bold;text-transform: uppercase;text-align: center;padding-top: 0px;padding-bottom: 0px;margin-top: 0px;margin-bottom: 0px; }  @media only screen and (max-width: 781px) { .tb-container .tb-container-inner{width:100%;margin:0 auto}.tb-button{color:#f1f1f1}.tb-button--left{text-align:left}.tb-button--center{text-align:center}.tb-button--right{text-align:right}.tb-button__link{color:inherit;cursor:pointer;display:inline-block;line-height:100%;text-decoration:none !important;text-align:center;transition:all 0.3s ease}.tb-button__link:hover,.tb-button__link:focus,.tb-button__link:visited{color:inherit}.tb-button__link:hover .tb-button__content,.tb-button__link:focus .tb-button__content,.tb-button__link:visited .tb-button__content{font-family:inherit;font-style:inherit;font-weight:inherit;letter-spacing:inherit;text-decoration:inherit;text-shadow:inherit;text-transform:inherit}.tb-button__content{vertical-align:middle;transition:all 0.3s ease}.tb-button__icon{transition:all 0.3s ease;display:inline-block;vertical-align:middle;font-style:normal !important}.tb-button__icon::before{content:attr(data-font-code);font-weight:normal !important}.tb-button__link{background-color:#444;border-radius:0.3em;font-size:1.3em;margin-bottom:0.76em;padding:0.55em 1.5em 0.55em}.tb-container .tb-container-inner{width:100%;margin:0 auto}.tb-image{position:relative;transition:transform 0.25s ease}.wp-block-image .tb-image.aligncenter{margin-left:auto;margin-right:auto}.tb-image img{max-width:100%;height:auto;width:auto;transition:transform 0.25s ease}.tb-image .tb-image-caption-fit-to-image{display:table}.tb-image .tb-image-caption-fit-to-image .tb-image-caption{display:table-caption;caption-side:bottom}.tb-container .tb-container-inner{width:100%;margin:0 auto}   } @media only screen and (max-width: 599px) { .tb-container .tb-container-inner{width:100%;margin:0 auto}.tb-button{color:#f1f1f1}.tb-button--left{text-align:left}.tb-button--center{text-align:center}.tb-button--right{text-align:right}.tb-button__link{color:inherit;cursor:pointer;display:inline-block;line-height:100%;text-decoration:none !important;text-align:center;transition:all 0.3s ease}.tb-button__link:hover,.tb-button__link:focus,.tb-button__link:visited{color:inherit}.tb-button__link:hover .tb-button__content,.tb-button__link:focus .tb-button__content,.tb-button__link:visited .tb-button__content{font-family:inherit;font-style:inherit;font-weight:inherit;letter-spacing:inherit;text-decoration:inherit;text-shadow:inherit;text-transform:inherit}.tb-button__content{vertical-align:middle;transition:all 0.3s ease}.tb-button__icon{transition:all 0.3s ease;display:inline-block;vertical-align:middle;font-style:normal !important}.tb-button__icon::before{content:attr(data-font-code);font-weight:normal !important}.tb-button__link{background-color:#444;border-radius:0.3em;font-size:1.3em;margin-bottom:0.76em;padding:0.55em 1.5em 0.55em}.tb-container .tb-container-inner{width:100%;margin:0 auto}.tb-image{position:relative;transition:transform 0.25s ease}.wp-block-image .tb-image.aligncenter{margin-left:auto;margin-right:auto}.tb-image img{max-width:100%;height:auto;width:auto;transition:transform 0.25s ease}.tb-image .tb-image-caption-fit-to-image{display:table}.tb-image .tb-image-caption-fit-to-image .tb-image-caption{display:table-caption;caption-side:bottom}.tb-container .tb-container-inner{width:100%;margin:0 auto}   } 
Report | mayo 31, 2010
Océanos en peligro
Hace 3.600 millones de años se originó la vida en el Planeta gracias a la existencia de los océanos. Durante todo este tiempo, su extensión y composición, así como los organismos que los han poblado, no ha dejado de cambiar y evolucionar. Hoy, desde las zonas costeras hasta las simas abisales, a más de 11.000 metros de profundidad, millones de especies y numerosos ecosistemas los habitan.
En sus 1.400 millones de kilómetros cúbicos de agua y 370 millones de kilómetros cuadrados de extensión encontramos “bosques”, desiertos, montañas, volcanes, minerales, bacterias, algas, plantas superiores, mamíferos, peces, reptiles, aves, crustáceos, moluscos y un sin fin de formas de vida, muchas aún totalmente desconocidas.
El ser humano ha hecho uso de los mares desde la más remota antigüedad, pero no ha sido hasta los últimos siglos cuando nuestras actividades han supuesto una amenaza real. La contaminación, la pesca y caza abusiva, la minería, la destrucción física de sus zonas más ricas, la ocupación masiva de sus márgenes o la alteración química y térmica están dejando una huella difícil de ignorar.
