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A meter long train crosses a meter long wall in 19 seconds. What is the speed of the train? A train of length m takes The faster train crosses a man in slower train in 18 seconds. The length of the faster train is A man sees a train passing over a bridge 1 km long. The length of the train is half that of the bridge. If the train clears the bridge in 2 minutes, the speed of the train is A train m long passes a telegraph pole in 6 seconds. At some moment the distance between them is km.

After T hours, distance between them is again km. T is equal to A train m long passed a pole in 24 seconds. The momentum on updating targets for climate action has stalled since May, with no major emitters putting forward stronger climate targets, and the emissions gap has barely changed, according to new analysis released today by the Climate Action Tracker. View full briefing. Only one country - The Gambia - is rating as having overall climate action that is consistent with the Paris Agreement 1.

Anyone would think they have all the time in the world, when in fact the opposite is the case. The CAT has updated all of the country ratings under its new ratings system, launched today, where it now gives ratings on a wide range of actions: an overall rating, the domestic target, policies and action, fair share, climate mitigation finance either on providing mitigation finance, or detailing what international support is needed , and land use and forestry where relevant.

The CAT has also begun rating net zero targets. These rapid, far-reaching transformations must occur across every sector — shifting how we power our homes and businesses, transport people and goods, grow our food, construct buildings, protect our forests and much more. But to avert climate disaster we cannot just do better — we need to do enough. The silver lining is that in recent years there has been notable progress across some sectors and there is reason to believe a number of clean technologies may be on the cusp of rapid, widespread adoption.

Globally the share of electricity generated from solar and wind has grown at an annual rate of 15 percent over the last five years alone, and building new solar and wind energy capacity is now more cost-effective than generating electricity from existing coal-fired power plants in most places.

Electric vehicle EV sales have also been growing rapidly, reaching 4. With the right support, nascent low-emissions technologies like sustainable aviation fuel production and technological carbon removal have the potential for exponential growth as well. Yet the hard truth is that despite these bright spots, none of the 40 indicators are making progress at the pace necessary for the world to cut greenhouse gas emissions in half by and fully decarbonize by mid-century, which are both necessary to limit global temperature rise to 1.

For example, to get on track for the emission cuts and carbon removal required by the world needs to:. Eight indicators are off track but require less than a twofold faster adopting to get on track. These include the industrial use of electricity, crop productivity and ruminant meat consumption, among others.