- There is not enough data about PM2.5 -- pollution associated with $3 trillion in health costs in 2015.
- It can’t be collected because there’s not enough equipment monitoring the air quality -- for example, India has only 1 monitor per 6.8 million people.
- Study authors indicate that, because of this, any rankings of most polluted cities are simply not based on enough data to be true.
- For accurate measurements, it would take 1 monitor per 1 million people around the world joined in an integrated monitoring framework.
- Achieving this goal would enable more precise atmospheric modeling and air quality forecasting.
- There might have been no extraordinary asteroid bombardment -- new theory questions the nature of the event and proposes new date.
- Implications are big, as this would push back the age of hospitable Earth.
- First hints of life appeared up to 3.9 billion years ago, so it’s unlikely that the storm happened then.
- Also, it may have been no extraordinary storm, but just the aftermath of the chaos that occured in the young solar system.
- Ultimately, the new theory states that Earth couldn’t suffer ocean-boiling, surface-liquifying asteroid strikes since 4.48 billion years ago.
- Study of northern USA shows that the health co-benefits of increasing renewable energy are bigger than the cost of implementing climate policies.
- One of such policies is RPS - Renewable Portfolio Standards, requiring electricity suppliers to use a percentage of renewable power.
- MIT research team developed a new framework, combining economic and air-pollution models to study the effect of policies on air quality, health and economy.
- These results confirm other studies that found health co-benefits of policies to be bigger than the cost of implementing them.
- The benefits come from reducing healthcare costs of treating people who have been exposed to too much PM2.5, the main pollutant from burning fossils.
- E-scooters can benefit your local environment only if you use them instead of your car.
- Mining materials for them, and manufacturing these vehicles generates pollution.
- So does collecting them and transporting them to charging stations, which is usually done by employees in private cars.
- If you don’t use e-scooters to replace your vehicle, then it’s less carbon intensive to just walk or bike.
- New clues to the origin of cells on Earth found by adding amino acids to protocells that self-assembled from fatty acids.
- Fatty-acid protocell membranes are stabilized after adding amino acids, and become fertile ground for basic life.
- As the substances bond, they create molecular building blocks which eventually may have aided the formation of proteins.