Typhoon Mangkhut Makes Landfall in Southern China After Jolting Hong Kong

Typhoon Mangkhut Makes Landfall in Southern China After Jolting Hong Kong

Temporary shelters were opened.The intensity of the storm in Hong Kong tested a city that has developed intricate safeguards against typhoons.Lam Yik Fei/Getty ImagesHong Kong residents had prepared for the storm by stocking up on groceries the night before, clearing shelves of many items and leading some merchants to raise the price of the tape people use on windows to contain damage.

Typhoon Mangkhut: Deadly Storm Nears Hong Kong and China’s Coast

Typhoon Mangkhut: Deadly Storm Nears Hong Kong and China’s Coast

Typhoon Mangkhut was nearing Hong Kong and the southern coast of China on Sunday, after cutting a destructive path through the Philippines and killing dozens of people there.

How to Easily Locate the Accelerometer in an iPhone

How to Easily Locate the Accelerometer in an iPhone

Moving in a circle at a constant speed means there is indeed an acceleration.If we have an object moving in a circle, the acceleration is pointed towards the center of the circle and depends on two things: the angular velocity (ω) and the circular radius (r).

How Los Angeles Is Helping Lead the Fight Against Climate Change

How Los Angeles Is Helping Lead the Fight Against Climate Change

Garcetti sat down with WIRED for two interviews, which we have combined and condensed, to talk about how to turn LA into a greentech testbed, why cities have to compete in order to save the world, and what the city can learn from its infamous water wars.Matt Simon: In what way are cities uniquely positioned to be leaders on climate change?Eric Garcetti: There's never been more people living in cities, and many of them control directly the most important national assets, like ports and airports and utilities.

This is how the world ends: will we soon see category 6 hurricanes?

This is how the world ends: will we soon see category 6 hurricanes?

Lin and Emanuel said their research showed that not only were grey swan hurricanes now likely to occur, one such devastating hurricane would almost certainly hit the Persian Gulf region – a place where tropical cyclones have never even been seen in history.

As the Winds Come, Towns in Hurricane Florence’s Path Fear the Floods

As the Winds Come, Towns in Hurricane Florence’s Path Fear the Floods

Emergency rescue teams were trying to reach about 150 others still trapped in cars, on roofs and in their attics.Greenville lies far inland, a few score miles west of the Atlantic Ocean, but it is connected to the sea by the Tar River, which eventually becomes the Pamlico River as it widens out and flows into the Atlantic.On Thursday, as billowing, dark heather clouds loomed overhead, the city’s spokesman, Brock Letchworth, said Greenville’s first concern is that Florence could drop enough water to create immediate flash flooding.But he said the city was also worried about a massive salty storm surge roaring westward up the river from the Atlantic.

To Solve Flying Cars' Biggest Problem, Tie Them to Power Lines

To Solve Flying Cars' Biggest Problem, Tie Them to Power Lines

To Solve Flying Cars' Biggest Problem, Tie Them to Power LinesIn the age of cord cutting, San Francisco-based startup Karman Electric thinks flying cars should be able to connect to power lines for long-haul routes and go solo when they approach their destination.

Hurricane Florence: Evacuating Cities Struggle to Help Those Who Can't Drive

Hurricane Florence: Evacuating Cities Struggle to Help Those Who Can't Drive

When It's Time to Evacuate, Cities Struggle to Help Those Who Can't DriveAs Hurricane Florence bears down on the mid-Atlantic coast, emergency managers are painfully aware that not everyone in the region can drive to safety—and they're working to help them out.Randall Hill/ReutersEvery hurricane season, news reports divide the country’s coast into two camps.

As Typhoon Mangkhut Hits, Philippines Is Haunted by Chaos of Earlier Storm

As Typhoon Mangkhut Hits, Philippines Is Haunted by Chaos of Earlier Storm

Many of the survivors, particularly in Tacloban, ran short of food, water and medicine almost immediately.A long convoy of Red Cross trucks tried to reach the city ahead of the storm, but had to turn back when winds rose sooner than expected.

Emissions Have Already Peaked in 27 Cities—And Keep Falling

Emissions Have Already Peaked in 27 Cities—And Keep Falling

The next year might be lower, but that doesn’t mean the trend will continue in the years that follow.What C40 found was that 27 of their member cities have hit that mark, meaning all sorts of initiatives—be they investment in public transport or renewable energy or green building practices—have been working.But the economies!

Australia on track to miss Paris climate targets as emissions hit record highs

Australia on track to miss Paris climate targets as emissions hit record highs

NDEVR Environmental figures for the year up to the end of June 2018 show Australia’s emissions were the highest on record when unreliable data from the land use and forestry sectors was excluded.

Jennifer Lentfer

Jennifer Lentfer

WriterJennifer Lentfer is a writer and consultant that champions responsive, small grant-making mechanisms supporting local leaders and organizations in the developing world. Serving with various international organizations over the past decade, she has worked with over 300 grassroots groups in sub-Saharan Africa.Blogging on: Social Enterprise Innovations

Waze Uses Beacons to Untangle Chicago’s Baffling Streets

Waze Uses Beacons to Untangle Chicago’s Baffling Streets

As of this month, the multi-level streets of Chicago are studded with Waze Beacons, hockey puck-sized squares that stick to the sides of tunnel walls and broadcast an open standard signal via Bluetooth so Waze and other navigation apps can triangulate a position.

LA's Teaming up With Other Cities to Get Cheaper EVs

LA's Teaming up With Other Cities to Get Cheaper EVs

So LA is doing what most people do when the going gets tough: They lean on their friends.Los Angeles announced today it is teamed up with 30 US cities total to collectively work for better deals on electric cars (18 of them have committed to purchases already as 'founding cities'). Maybe you don't want your city to switch over to electric cars.

As New York and London mayors, we call on all cities to divest from fossil fuels | Bill de Blasio and Sadiq Khan

As New York and London mayors, we call on all cities to divest from fossil fuels | Bill de Blasio and Sadiq Khan

And that, together, our cities – New York, London and many others around the world – can send a clear message to the fossil fuel industry: change your ways now and join us in tackling climate change.

Rise for Climate: thousands to march across US to protest environment crisis

Rise for Climate: thousands to march across US to protest environment crisis

Protests will be spearheaded by march in San Francisco on Saturday ahead of a climate change summit in the city next week The Rise for Climate protests will be spearheaded by a march in San Francisco, ahead of a climate change summit in the city next week that will gather mayors and business leaders from around the world.

Rise for Climate: Protesters take to streets across the planet to demand action on environment

Rise for Climate: Protesters take to streets across the planet to demand action on environment

“Climate change is the defining issue of our time, it is a crisis of democracy, justice and human rights,” said May Boeve, executive director of 350.org, the New York-based campaign group behind the day.

Climate change protest blitz targets local action in face of Trump hostility

Climate change protest blitz targets local action in face of Trump hostility

Miya Yoshitani, of the Asian Pacific Environmental Network, will be taking part in the main climate march, which expects to attract tens of thousands of people in San Francisco, to decry the air pollution suffered largely by black and Asian American communities in the Bay Area.

Key internet connections and locations at risk from rising seas

Key internet connections and locations at risk from rising seas

Data centers are built on land, and most of the physical elements of the internet – such as the cables that connect households to internet services and the fiber optic strands carrying data from one city to another – are buried in plastic conduit under the dirt.

Designing greener streets starts with finding room for bicycles and trees

Designing greener streets starts with finding room for bicycles and trees

The central argument against adding cycle tracks with trees to urban streets asserts that cities need this space for parallel-parked cars.

Australia is not on track to reach 2030 Paris target (but the potential is there)

Australia is not on track to reach 2030 Paris target (but the potential is there)

But while total emissions reduced at an economy-wide level, and in some sectors at certain times, none of the sectors improved consistently at the rate needed to achieve the Paris climate targets.

Blackmore's Lidar Solves Self-Driving Cars’ Need for Speed

Blackmore's Lidar Solves Self-Driving Cars’ Need for Speed

But you can only measure where something’s going, and how fast, if you manage to hit it again and again.Blackmore's lidar reads the velocity of the objects it detects: The things moving away from the vehicle are in red, those moving toward it are in blue.

Scott Morrison contradicts energy advice, saying Paris targets can be met 'at a canter'

Scott Morrison contradicts energy advice, saying Paris targets can be met 'at a canter'

The prime minister used a radio interview on Wednesday afternoon to declare “the business-as-usual model gets us there in a canter” – which contradicts advice from the Energy Security Board that says business as usual will mean the electricity sector will “fall short of the emissions reduction target of 26% below 2005 levels”.

Building housing on flood plains another sign of growing inequality

Building housing on flood plains another sign of growing inequality

Yet all parties involved in housing know that cities are facing more rainfall and flooding due to climate change. However, the waterfront area still remains a flood plain, and is still affected by storm surges associated with climate change.

'Art can play a valuable role': climate change installations appear in New York

'Art can play a valuable role': climate change installations appear in New York

Climate Signals, a public art project by Justin Brice Guariglia, in collaboration with the Climate Museum and the mayor’s office on climate change. The signs are part of a project by the Climate Museum and a host of partners, including the New York City’s mayor’s office.

California's response to record wildfires: shift to 100% clean energy | Dana Nuccitelli

California's response to record wildfires: shift to 100% clean energy | Dana Nuccitelli

Not only does California need to make up some of the climate slack created by the Trump administration, but the state is now ahead of its targets, with 29% of electricity last year generated from renewables and over 50% from zero-carbon sources (including nuclear and hydroelectric power).

From Rooftops to Algae Pools: Orlando’s Vision for Carbon-Free Energy

From Rooftops to Algae Pools: Orlando’s Vision for Carbon-Free Energy

“You would have expected the federal government to be taking the lead, but the federal government seems to be backing away every day from the commitments they’ve made.”“The biggest risk for us is not changing,” said Clint Bullock, chief executive of the Orlando Utilities Commission, the municipally owned power company.CreditEdward Linsmier for The New York TimesOrlando has set a goal of generating all of its energy from carbon-free sources by 2050.

Houses claimed by the canal: life on Egypt's climate change frontline | Ruth Michaelson

Houses claimed by the canal: life on Egypt's climate change frontline | Ruth Michaelson

“The water is an excuse for the government to relocate people,” says Ali Abdel Rahman, a 63-year-old fisherman who sits inside the small blue-and-white-painted hut where he stores his fishing equipment.

California moves towards 100% carbon-free electricity after landmark vote

California moves towards 100% carbon-free electricity after landmark vote

The bill, which will need to be approved by the state senate and Governor Jerry Brown, will require a complete shift to clean energy such as solar and wind by 2045.

Here's How Fast That Jumping Tesla Was Traveling

Here's How Fast That Jumping Tesla Was Traveling

Boom.Now for some questions.How fast was the car traveling?Normally when I need to find the velocity of an object in a video, I just use my typical video analysis techniques in which I mark the position of the object in each frame.

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