Danos à Amazônia podem se tornar irreversíveis até 2050, alerta estudo

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[{"selector":"#anim-bc16b48b-4b2d-462f-9f3d-c3d21cfafda2","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-7ebd9262-6bb5-42ac-9cc4-bc380e92fd2e","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-5ea12785-d22a-4fa9-8b75-0dd98817ea05","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-adb07f52-058f-4557-9565-d3007c2ae8f9","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] Um estudo publicado na quarta-feira (14) alerta que a Amazônia pode atingir um ponto de não retorno até 2050, ou seja, a floresta está no início de colapso parcial ou total TV Brasil

[{"selector":"#anim-a57f753d-9aaf-4f8e-8467-2f97adbdc82a","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-670c435d-33e8-4356-9cdf-fcf8ec2be6e7","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-4d1db24f-6019-4475-9c9e-09a6a49481a1","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-a707641e-756e-4ade-89e9-f763bfdf72b4","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] A degradação da vegetação pode acelerar o aquecimento global, segundo os cientistas. O artigo, liderado por pesquisadores brasileiros, é capa da revista Nature Agência Brasil

[{"selector":"#anim-0f53ebae-0dd6-4ac2-a377-5d34f37210e6","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e709e036-030a-40db-a113-49e7b3dc9182","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-7dbed774-7535-468b-a521-1a5d1ee937fa","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-a48bc8a8-bf12-4c56-905f-5353026adb74","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a7726fd7-8193-460a-9cfe-863db88c21f4","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-d1052fe8-7bb2-454b-88bf-26939e752e58","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] A estimativa dos pesquisadores é que, até a metade do século, um montante de 10% a 47% da floresta esteja exposto a ameaças consideradas graves que podem levar a transições no ecossistema Tomaz Silva/Agência Brasil

[{"selector":"#anim-9263adcd-5990-410d-a0e8-80a618bb30ee","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-0dd91686-9d9b-4ddf-abff-3250e455e7b2","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-92117c64-d2ad-4c5e-82ca-5771fd5215e2","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-3cef7d5d-9e0c-4ef1-b556-c53a165da4e5","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-ca6df7f1-20e5-4b64-8a89-e0e7723ddb4e","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-db8ff93e-0a96-4fdd-9ede-21d8cc96a158","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] O aumento das temperaturas, as secas extremas, o desmatamento e incêndios florestais podem ter impacto no clima: redução das chuvas na região e aumento do risco de um colapso em larga escala Rafa Neddermeyer/Agência Brasil

[{"selector":"#anim-85e08dd0-fb73-4be2-bd30-bae93ffc4b60","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-cf2e9ed0-e3e1-40fc-be5d-6eef137c7a1e","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-e37c0e79-40e7-48ef-b5f4-0c0ba669dbda","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-bd00d757-e5f5-48c6-91f3-ed134d587f3c","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-78f382d3-6063-4735-95c2-1d45493b7306","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-68c962dc-a7ba-4f57-95a0-c1a2766418cc","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] “O ponto de não retorno é um ponto a partir do qual o sistema se retroalimenta numa aceleração de perda de florestas, e perdemos o controle”, explica um dos líderes do estudo internacional, Bernardo Flores, da Universidade Federal de Santa Catarina (UFSC) Fernando Frazão/Agência Brasil

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