In October, the European Parliament voted overwhelmingly to ratify the historic Paris Agreement on climate change. It’s a significant milestone, and a major step forward in the fight against global warming. The agreement is the first of its kind; a universal, legally binding global deal for getting our carbon emissions under control and preventing the Earth’s atmospheric temperatures reaching potentially dangerous levels.
While the deal was successfully agreed at the negotiation stages and welcomed by climate change activists, MEPs were still required to give consent for the agreement to go forward. They did so with an overwhelming majority of 610 votes to 38, with 31 abstentions. Now that the EU Parliament has approved the deal, it just needs to be ratified at a domestic level. Several member states have already done this, including Germany, France, Austria and Portugal.
For the Paris Agreement to enter into force, it needs to be joined by at least 55 countries — a milestone that’s already been passed. But subscribed parties also need to represent at least 55 percent of global emissions. Before the EU vote, that number was just short of 52 percent. It’s now virtually guaranteed to be exceeded, as EU member states are collectively responsible for just over 12 percent of emissions.
The EU’s emphatic vote means the Paris Agreement will become a legal reality long before anyone — even its negotiators — expected. Ever since the deal was brokered last December, major global players like the US, China and the UN have been pushing to bring it into force as quickly as possible. It has passed several significant milestones in a short space of time as a result.
“Our vote paves the way to ensure that the agreement meets the necessary threshold,” said European Parliament President Martin Schulz. “The entry into force of the Paris agreement less than one year after its signature is a massive achievement, given that it took eight years for the Kyoto protocol. Today’s vote also means that the EU remains a climate leader.”
As several MEPs noted while speaking on the day of the vote, it showed that cooperation and collaboration are key to tackling global problems. They also stressed the need to press forward with implementing the agreement, due to the increasingly-evident urgency of the climate change issue.
The deal will now come into force in November, when the EU joins the US, China, India, and other global players and major greenhouse gas emitters at a meeting of Parties to the Paris Agreement (CMA) in Marrakesh. The conversation will then move towards strategy as the parties discuss how they intend to meet the targets set out in the agreement.
That will be easier said than done. Many believe that we have already passed a “point of no return” where simply curbing emissions is not enough. We may need to develop expensive new technologies to actively remove carbon from the atmosphere in order to prevent temperatures spiralling out of control. The Paris Agreement has been an important first step, but we still have all our work ahead of us.
Q: Will the agreement change anything, or is it a case of “too little, too late”? Share your thoughts in the comments below.
Scientists Develop New Type of Cell That Could Revolutionize the Treatment of Heart Disease
THIS CONTENT WAS REPUBLISHED FROM AN EARLIER DATE.
Heart disease has consistently been one of the biggest killers of both men and women, with hundreds of thousands of families losing loved ones to the condition every year. But now a new study published in the journal Cell Stem Cell has identified a possible breakthrough in the treatment of heart disease, offering hope to anyone suffering from a dodgy ticker. The study was conducted by a team of researchers from the Gladstones Institutes, who have discovered a way to make a remarkable new type of cell that could help damaged hearts repair themselves.
Heart failure occurs when the heart is overworked or the supply of oxygen is too low. A sudden attack can cause the loss of huge amounts of important muscle cells known as cardiomyocytes (CMs). These CMs cannot regenerate by themselves, nor can they be replaced because transplanted heart cells tend not to survive in the patient’s body. As you can imagine, this makes the treatment of heart disease quite tricky; since heart cells can’t regenerate or be replaced, the damage is usually irreversible. “Scientists have tried for decades to treat heart failure by transplanting adult heart cells, but these cells cannot reproduce themselves, and so they do not survive in the damaged heart,” said Yu Zhang, MD, PhD, one of the lead authors of the study.
To overcome this dilemma, the team investigated the possibility of regenerating the heart using progenitors—stem cells that have already been programmed to develop into a specific type of cell. In this case, they targeted cardiovascular progenitor cells (CPCs), which are produced as the heart begins to form within the embryo. Using a revolutionary technique, the team were able to produce CPCs in the lab and halt their development so the cells remained effectively “frozen” until use. They called these lab-grown cells “induced expandable CPCs,” or ieCPCs.
Unlike adult heart cells, ieCPCs have the ability to replicate. If transplanted successfully, they could replace a patient’s damaged heart cells and possibly continue to self-repair. “Our generated ieCPCs can prolifically replicate and reliably mature into the three types of cells in the heart, which makes them a very promising potential treatment for heart failure,” said Zhang. To test this theory, the team injected some of the cells into a mouse that had suffered a heart attack. Remarkably, most of the cells transformed into functioning heart cells, generating new muscle tissue and blood vessels and improving the mouse’s overall heart function.
So what does all this mean for the treatment of heart disease? Well, it’s definitely big news. The cells used to treat the mouse were derived from skin cells, which means a patient’s own cells could potentially be used to treat their heart disease. The next step is to try and form human ieCPCs in the lab, and then follow up with human trials to see if the method is as effective. All going well, this could be a viable treatment for heart disease patients within the next few years.
Q: Is this the most important breakthrough yet in the field of heart disease research? Share your thoughts in the comments below.
Copyright 2016 David Carroll
How Li-Fi Technology Is Going to Change the Internet Game Forever
THIS CONTENT WAS REPUBLISHED FROM AN EARLIER DATE.
Are you sick of slow Internet connections and weak Wi-Fi signals? I know we’re talking First World problems here, but it still gets under my skin. Luckily, all that could be about to change soon, as there’s a new kid on the block. See, our old buddy Wi-Fi looks set to be surpassed by Li-Fi technology—a new method of data transmission that uses visible light communication instead of radio waves.
It’s been around for a while, and we already know the new tech can achieve staggering speeds of up to 224 Gbps in a laboratory setting. But now an Estonian startup called Velmenni has tested Li-Fi in an office environment, and they’ve managed a healthy 1 Gbps (about 100 times faster than current average Wi-Fi speeds). So we’re definitely getting closer to actually implementing Li-Fi technology in the real world, but what exactly is it? Let’s find out:
How Does Li-Fi Technology Work?
The term “Li-Fi” was first coined by its inventor Harald Haas, who unveiled the technology at a TED conference back in 2011. It’s basically a method of transmitting binary data across the visible light spectrum by quickly flicking a bulb on and off, just like Morse code. While that sounds like a recipe for blindness and seizures, the flickering happens so fast that it’s imperceptible to the human eye. It’s not a difficult technology to implement, either—with just a simple modification, virtually any bulb can be converted into a Li-Fi transmitter/receiver, from the lamp on your desk to the overhead light in a car or airplane.
How Is It Going to Change the Way We Connect?
Well, there’s the enormous jump in connection speeds for a start. But aside from that, Li-Fi technology offers a number of tangible benefits. It’s highly efficient, because we already use bulbs everywhere for the purposes of illumination. Piggybacking data over the same waves would reduce our energy costs right off the bat. It’s also highly secure, because light waves can’t penetrate walls. Then you have all the potential applications of the technology. Imagine cars that can transmit data back and forth to prevent accidents, or street lamps that function as free data access points. Pretty cool, no?
When Will We Get to Use It?
Given the successful field test in Estonia, it wouldn’t be unreasonable to expect to see Li-Fi making its way to our homes and workplaces within the next couple of years. But before you get too excited, you should know that Li-Fi technology has its limitations. For example, the fact that light waves can’t pass through walls is great for security, but it’s problematic from a practical standpoint. Also, Li-Fi sort of falls apart once you move outdoors because of pollution and interference from natural light sources.
In all likelihood, it will supplement Wi-Fi technology rather than replace it altogether (at least in the early stages of its rollout), so don’t throw away your existing router just yet. With that said, it’s definitely got some serious potential to revolutionise the Internet. But here’s the million-dollar question: does Li-Fi mean the end of that annoying “buffering” symbol? We’ll just have to wait and see.
Q: Any other tech developments you’re pumped about seeing? Tell us about them in the comments below.
David Carroll is a freelance writer, self-published author, and chief health-nut at thepaleotoolkit.com. Outside of work, he loves hurling (an amazing Irish sport), playing video games and hanging out with his dogs. Follow him on Twitter (@DavidAshCarroll) and Google+.
If climate change is real, then why is Antarctic ice cover growing?
The North Pole has been losing ice cover at an alarming rate in recent years as the Arctic region steadily warms up. For those not in denial about climate change, it’s a constant and potent reminder that something needs to be done, and done quickly. But if the planet really is getting warmer, how is it possible that Antarctic ice cover has not only remained stable, but actually grown in recent years? It’s a question that has proven difficult to answer and provided interesting fodder for the climate change debate, but now a team of researchers from NASA believe they may have put the issue to bed.
In a study published in the journal Remote Sensing of Environment, the authors show that the reason the Antarctic is not melting like the Arctic is due to differences in topography, climate and ocean levels between the two regions. “Our study provides strong evidence that the behavior of Antarctic sea ice is entirely consistent with the geophysical characteristics found in the southern polar region, which differ sharply from those present in the Arctic,” explained lead researcher Son Nghiem.
Every year, Antarctic ice expands and shrinks according to seasonal cycles in the Southern Hemisphere. The NASA team used satellite radar, sea temperature, ocean levels and other data to track this ice formation and identify any contributing factors. They found that as new ice forms in the Antarctic, it is pushed northwards by winds and forms a kind of “protective shield” around the continent. The winds continue to pack ice up against the shield, increasing its thickness up to 1,000 kilometers (620 miles) in parts. As the ice shield continues to drift away from the continent, it leaves behind an area of open water where new ice can form, protected from waves.
All of this occurs in a region where the sea surface temperature remains below freezing at -1 degrees celsius (30F). This “temperature boundary” is dictated by ocean currents which are particular to the surrounding area, and are influenced by sea floor creatures the researchers identified in their study. So far from being a paradox, the behaviour of the surrounding ocean and wind patterns influenced by the topography of the Antarctic create an environment that’s well-suited to the formation and persistence of ice. The same factors are not present in the Arctic, which leaves the region more vulnerable to the effects of global warming.
NASA’s study has given us the most cohesive explanation to date for the disparate behaviour of Arctic and Antarctic ice cover. The growth of sea ice in the southern region might appear to contradict everything we know about global warming, but in fact, it’s simply a product of differences in climate and topography between the two poles. Despite their obvious similarities, the Arctic and Antarctic are quite different. So if you encounter anyone who cites the ice cover paradox as evidence against climate change, point them to this study and explain they’re comparing apples and oranges.
Q: What’s the number one obstacle getting in the way of tackling climate change? Share your thoughts in the comments below.
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