<div><img src="http://ichef-1.bbci.co.uk/news/ws/660/amz/worldservice/live/assets/images/2016/09/03/160903111428_barack_obama_xi_jinping_640x360_ap_nocredit.jpg" width="640" height="360" data-highest-encountered-width="660" style="font-family: inherit; font-size: 14px; font-style: inherit; font-weight: inherit; letter-spacing: inherit; line-height: inherit; color: #bdbdbd; margin: 0px; padding: 0px; vertical-align: baseline; height: auto; max-width: 100%; -webkit-user-select: none; width: 645.781px; display: block; background-color: #111111;" alt="" /></div><div property="articleBody" style="border: 0px; color: #404040; font-variant-numeric: inherit; font-family: Helvetica, Arial, STHeiti, 华文黑体, "Microsoft YaHei", 微软雅黑, SimSun, 宋体, "WenQuanYi Micro Hei", sans-serif; font-size: 14px; line-height: 16px; margin: 0px 53.7642px 0px auto; padding: 0px; vertical-align: baseline; background-color: #ffffff;"><figure style="border: 0px; color: inherit; font-style: inherit; font-family: inherit; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 32px -54.2188px 0px 0px; padding: 0px; vertical-align: baseline; clear: both; background-color: #111111;"><span style="border: 0px; color: inherit; font-style: inherit; font-family: inherit; font-size: 14px; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline; display: block; position: relative;"><span style="border: 0px !important; color: inherit; font-style: inherit; font-family: inherit; font-size: 14px; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px; padding: 0px !important; vertical-align: baseline; clip: rect(1px 1px 1px 1px); overflow: hidden; position: absolute !important; height: 1px !important; width: 1px !important;">Image copyright</span><span style="border: 0px; color: #ececec; font-style: inherit; font-family: inherit; font-size: 0.75rem; font-weight: inherit; letter-spacing: 0.25px; line-height: 1.33333; margin: 0px; padding: 3px 8px 1px; vertical-align: baseline; text-transform: uppercase; bottom: 0px; position: absolute; right: 0px; background: rgba(0, 0, 0, 0.6);">AP</span></span><figcaption style="border: 0px; color: inherit; font-style: inherit; font-family: inherit; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px; padding: 16px; vertical-align: baseline; visibility: visible;"><span style="border: 0px !important; color: inherit; font-style: inherit; font-family: inherit; font-size: 14px; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px; padding: 0px !important; vertical-align: baseline; clip: rect(1px 1px 1px 1px); overflow: hidden; position: absolute !important; height: 1px !important; width: 1px !important;">Image caption</span><span style="border: 0px; color: #ececec; font-style: inherit; font-family: inherit; font-size: 0.75rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.33333; margin: 0px; padding: 0px; vertical-align: baseline; display: block;">中国和美国承诺要在年底前正式采纳减慢全球变暖的巴黎协议，从而使巴黎协议有希望得到更快实施。</span></figcaption></figure><p style="border: 0px; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: bold; letter-spacing: inherit; line-height: 1.5; margin-top: 28px; padding: 0px; vertical-align: baseline;">美国和中国周六（3日）正式联合批准巴黎气候变化协定，并将这些文件交给联合国秘书长潘基文，向代表这项全球性的协定迈出重要的一步。</p><p style="border: 0px; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.5; margin-top: 18px; padding: 0px; vertical-align: baseline;">中国主席习近平和美国总统奥巴马先后向潘基文交存中国和美国气侯变化《巴黎协定》批准文书。习近平随后致辞。</p><p style="border: 0px; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.5; margin-top: 18px; padding: 0px; vertical-align: baseline;">习近平指出，气侯变化关乎人民福祉和人类未来。《巴黎协定》为2020年后的全球合作应对气侯变化明确了方向，标志着合作共赢、公正合理的全球气候治理体系正在形成。</p><p style="border: 0px; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.5; margin-top: 18px; padding: 0px; vertical-align: baseline;">他说，“中国为应对气候变化作出了重要贡献。中国倡议二十国集团发表了首份气候变化问题主席声明，率先签署了《巴黎协定》。中国向联合国交存批 准文书是中国政府作出的新的庄严承诺。”</p><p style="border: 0px; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.5; margin-top: 18px; padding: 0px; vertical-align: baseline;">周六抵达杭州的奥巴马在致辞中表示，气候变化的威胁是人类面临的越来越严重的挑战。应对气候变化问题需要国际社会共同努力。美中两国为推动国际合作、促成《巴黎协定》共同发挥了重要作用。</p><p style="border: 0px; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.5; margin-top: 18px; padding: 0px; vertical-align: baseline;">他说，“今天，美中作为两个最大经济体和最大排放国，同时批准和接受《巴黎协定》具有历史性意义。美方愿同中方继续密切合作，为建造一个更加安 全和繁荣的世界而努力。”</p><p style="border: 0px; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.5; margin-top: 18px; padding: 0px; vertical-align: baseline;">20国集团（G20）峰会会将从4日到5日在杭州举行。</p><p style="border: 0px; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.5; margin-top: 18px; padding: 0px; vertical-align: baseline;">峰会开幕前夕，中国全国人大常委会批准中国加入《巴黎气候变化协定》。</p><p style="border: 0px; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.5; margin-top: 18px; padding: 0px; vertical-align: baseline;">中国是世界上最大的碳排放国家。有害的碳排放造成了全球温室气候变化。</p><p style="border: 0px; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.5; margin-top: 18px; padding: 0px; vertical-align: baseline;">中国的碳排放量占全球碳排放总量的25%，美国为15%，这使中美两国的减排努力成为减慢全球变暖的关键。</p><p style="border: 0px; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.5; margin-top: 18px; padding: 0px; vertical-align: baseline;">中国和美国这两个世界最大的温室气体排放国此前承诺要在年底前正式采纳减慢全球变暖的巴黎协定，从而使巴黎协议有希望得到更快实施。</p><figure style="border: 0px; color: inherit; font-style: inherit; font-family: inherit; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 24px -24.6449px 0px 0px; padding: 0px; vertical-align: baseline; clear: both; background-color: #111111;"><span style="border: 0px; color: inherit; font-style: inherit; font-family: inherit; font-size: 14px; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline; display: block; position: relative;"><img src="http://ichef.bbci.co.uk/news/ws/624/amz/worldservice/live/assets/images/2016/09/03/160903023337_china_emissions_624x351_reuters.jpg" datasrc="http://ichef.bbci.co.uk/news/ws/320/amz/worldservice/live/assets/images/2016/09/03/160903023337_china_emissions_624x351_reuters.jpg" alt="中国是世界上最大的碳排放国" width="624" height="351" data-highest-encountered-width="624" style="color: #bdbdbd; font-style: inherit; font-family: inherit; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px; padding: 0px; vertical-align: baseline; height: auto; max-width: 100%; -webkit-user-select: none; width: 616.207px; transition: opacity 0.5s ease-in; display: block;" /><span style="border: 0px !important; color: inherit; font-style: inherit; font-family: inherit; font-size: 14px; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px; padding: 0px !important; vertical-align: baseline; clip: rect(1px 1px 1px 1px); overflow: hidden; position: absolute !important; height: 1px !important; width: 1px !important;">Image copyright</span><span style="border: 0px; color: #ececec; font-style: inherit; font-family: inherit; font-size: 0.75rem; font-weight: inherit; letter-spacing: 0.25px; line-height: 1.33333; margin: 0px; padding: 3px 8px 1px; vertical-align: baseline; text-transform: uppercase; bottom: 0px; position: absolute; right: 0px; background: rgba(0, 0, 0, 0.6);">REUTERS</span></span><figcaption style="border: 0px; color: inherit; font-style: inherit; font-family: inherit; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px; padding: 16px; vertical-align: baseline; visibility: visible;"><span style="border: 0px !important; color: inherit; font-style: inherit; font-family: inherit; font-size: 14px; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 0px; padding: 0px !important; vertical-align: baseline; clip: rect(1px 1px 1px 1px); overflow: hidden; position: absolute !important; height: 1px !important; width: 1px !important;">Image caption</span><span style="border: 0px; color: #ececec; font-style: inherit; font-family: inherit; font-size: 0.75rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.33333; margin: 0px; padding: 0px; vertical-align: baseline; display: block;">作为世界上最大的碳排放国，中国批准巴黎气候变化协议意味着将减少来自钢铁、水泥、造纸和发电等主要工业部门的排放。</span></figcaption></figure><h2>相关报道：</h2><ul style="border: 0px; color: inherit; font-style: inherit; font-family: inherit; font-weight: inherit; letter-spacing: inherit; line-height: inherit; margin: 18px 0px 0px; padding: 0px; vertical-align: baseline; list-style: none;"><li style="border: 0px; color: inherit; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.5; margin: 18px 0px 0px 20px; padding: 0px 0px 0px 4px; vertical-align: baseline; list-style: square outside;"><a href="http://www.bbc.com/zhongwen/simp/china/2016/09/160903_china_paris_climate_agreement" style="border-width: 0px 0px 1px; border-bottom-style: solid; border-bottom-color: #dcdcdc; color: #222222; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: bold; letter-spacing: inherit; line-height: 1.5; margin: 0px; padding: 0px; vertical-align: baseline; text-decoration: none; -webkit-tap-highlight-color: rgba(17, 103, 168, 0.298039);">中国全国人大批准《巴黎气候变化协议》</a></li><li style="border: 0px; color: inherit; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.5; margin: 18px 0px 0px 20px; padding: 0px 0px 0px 4px; vertical-align: baseline; list-style: square outside;"><a href="http://www.bbc.com/zhongwen/simp/world/2016/08/160829_world_obama_midway_atoll_visit" style="border-width: 0px 0px 1px; border-bottom-style: solid; border-bottom-color: #dcdcdc; color: #222222; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: bold; letter-spacing: inherit; line-height: 1.5; margin: 0px; padding: 0px; vertical-align: baseline; text-decoration: none; -webkit-tap-highlight-color: rgba(17, 103, 168, 0.298039);">气候变化和美中关系主导奥巴马最后亚洲行</a></li><li style="border: 0px; color: inherit; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.5; margin: 18px 0px 0px 20px; padding: 0px 0px 0px 4px; vertical-align: baseline; list-style: square outside;"><a href="http://www.bbc.com/zhongwen/simp/science/2016/04/160401_china_us_climate_change" style="border-width: 0px 0px 1px; border-bottom-style: solid; border-bottom-color: #dcdcdc; color: #222222; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: bold; letter-spacing: inherit; line-height: 1.5; margin: 0px; padding: 0px; vertical-align: baseline; text-decoration: none; -webkit-tap-highlight-color: rgba(17, 103, 168, 0.298039);">中美发布两年内第三份气候变化联合声明</a></li></ul><p style="border: 0px; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.5; margin-top: 18px; padding: 0px; vertical-align: baseline;">根据巴黎气候变化协定，各方将加强对气候变化威胁的全球应对，把全球平均气温较工业化前水平升高控制在2摄氏度之内，并为把升温控制在1.5摄氏度之内而努力。</p><p style="border: 0px; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.5; margin-top: 18px; padding: 0px; vertical-align: baseline;">在经历了4年的谈判之后，世界170多个国家的领导人去年12月12日在巴黎达成历史性协定，以改变化石燃料作为世界经济主要驱动力的状况。</p><p style="border: 0px; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.5; margin-top: 18px; padding: 0px; vertical-align: baseline;">许多国家仍然需要议会投票正式通过这个去年12月达成的巴黎气候变化协定。</p><p style="border: 0px; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.5; margin-top: 18px; padding: 0px; vertical-align: baseline;">全球至少要有55个国家，即代表55%的人造温室气体排放的国家，在批准巴黎气候变化协定30天之后，该协议才能生效。</p><p style="border: 0px; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.5; margin-top: 18px; padding: 0px; vertical-align: baseline;">尽管目前已有175个国家签署了巴黎协定，但截至星期六（9月3日），仅有23个国家批准该协定。而这些国家仅占全球碳排放总量的1%略多一点。</p><p style="border: 0px; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.5; margin-top: 18px; padding: 0px; vertical-align: baseline;">分析人士警告说，把全球平均气温较工业化前水平升高控制在2摄氏度之内的目标，已经有被突破的危险。</p><p style="border: 0px; font-style: inherit; font-family: inherit; font-size: 1rem; font-weight: inherit; letter-spacing: inherit; line-height: 1.5; margin-top: 18px; padding: 0px; vertical-align: baseline;">气象学家已连续14个月记录了高温月份。英国气象局预测说，2016年的气温可能较工业化前水平升高1.1摄氏度。</p></div>